2024年3月17日发(作者：速元魁)
练习题一
11+23= 28+7= 14+10= 17-6= 8+19=
2+30=
11-5=
10+13=
6+19=
9+16=
28-2=
33-4=
43-8=
22+20=
12+11=
22-2=
15+28=
43-7=
4+22=
15+3=
6+11=
30+1=
23+4=
7+24=
35-3=
15+20=
44-6=
11+34=
3+13=
24+11=
30+4=
27+7=
7+25=
3+20=
23+6=
26+9=
42-3=
15+19=
28+14=
14+32=
7+13=
29-5=
14+34=
30+19=
15-6=
3+45=
2+46=
25-4=
1+46=
13+24=
36-5= 3+11= 8+2= 30-3= 2+39=
42-2= 2+25= 7+15= 13+18= 19-5=
29+9=
40+2=
24+2=
6+38=
49-4=
39-2=
17+31=
15+4=
11+4=
9+20=
38+7=
1+32=
29+19=
35+8=
13+34=
3+43=
25-7=
24+1=
34+9=
36+5=
30+18=
4+23=
8+22=
7+20=
6+20=
28+6=
22+15=
6+13=
17-8=
37+7=
3+7=
24+12=
9+25=
3+42=
9+3=
27+3=
32+4=
24+8=
26-5=
20+18=
练习题二
25+20= 19-6= 46-8= 27+22= 4+44=
8+3=
7+2=
27-3=
4+33=
13+1=
32+13=
20+11=
27+15=
33-1=
11-4=
9+7=
19+1=
13-1=
23+20=
14-8=
5+37=
44-9=
24+9=
21+9=
47-3=
38+8=
39+5=
13-9=
14+28=
26+20=
2+38=
19+28=
18-2=
8+24=
14+24=
17+14=
18+8=
47-5=
14+27=
14+12=
38+12=
21+4=
12-3=
9+38=
10+26=
8+26=
25+18=
42-5=
13-5=
13+9=
37-6= 18+29= 5+21= 48-4= 13+20=
17+19= 5+6= 29+10= 12-5= 23-8=
22+13=
17+8=
9+23=
32-7=
10+22=
39+6=
18-5=
21+25=
18+16=
24-6=
25+19=
9+34=
13+7=
44-4=
10+18=
1+6=
18+11=
14-5=
15+35=
6+24=
8+37=
26+11=
49-7=
4+31=
20+19=
42+3=
7+42=
33-6=
22+28=
12+22=
22+19=
30+2=
12+10=
2+28=
33-2=
14+5=
2+35=
15+34=
47-9=
38+11=
练习题三
11+38= 24-2= 4+19= 32-8= 20+25=
26+20=
14+2=
1+17=
8+18=
2+24=
21+29=
33+13=
7+14=
31+1=
34-5=
16-9=
13+30=
35+2=
17+25=
15-9=
12+17=
18-9=
25+14=
17+20=
15-7=
36+7=
26+22=
1+42=
13+28=
33+5=
38+2=
24-8=
3+2=
2+43=
32+14=
35+7=
25+17=
21+4=
15+2=
28-2=
4+33=
6+32=
36+6=
5+33=
34+5=
17+4=
9+32=
14+20=
2+2=
38-9=
23+26= 14-7= 16-3= 10+32= 12+1=
3+17= 30+18= 4+39= 41+9= 29-5=
13+16=
5+12=
2+48=
14+11=
40-4=
36+13=
47+1=
31+12=
33-5=
7+8=
24+7=
6+26=
8+10=
1+3=
22+28=
3+21=
20+3=
36-1=
2+22=
14+16=
26+21=
29+2=
19+24=
39+6=
49-1=
1+39=
6+13=
21-1=
15+4=
29+21=
38-7=
12+2=
8+41=
22+4=
3+12=
12+10=
29+17=
2+41=
20+30=
14+12=
练习题四
18+5= 11+22= 31+16= 16+10= 34+7=
36+4=
30-2=
8+42=
1+21=
11+7=
3+29=
41-1=
17-3=
35-7=
16+7=
35+5=
27+21=
5+35=
28+20=
16+2=
42+1=
15+7=
14-3=
14-8=
15+12=
14+29=
24+2=
31+8=
20+16=
11+31=
8+31=
41-6=
12+20=
17+13=
45-9=
12+9=
13-5=
16+31=
30+10=
19+25=
14+15=
17+26=
10+15=
46+1=
29+1=
2+33=
40+7=
6+8=
7+5=
3+15=
3+22= 14+18= 26+19= 19+31= 33-7=
9+12= 30+16= 10+36= 18+1= 21+8=
1+13=
18+21=
21+17=
21+9=
18+17=
7+42=
21+13=
40-2=
7+27=
3+7=
17+23=
13+22=
18-5=
35-5=
12+15=
34-2=
5+29=
9+16=
19-6=
25+18=
7+24=
19+16=
42+8=
42+6=
4+4=
16+8=
14-5=
16+24=
23+15=
4+30=
49-6=
32+9=
22+21=
47-5=
3+46=
9+28=
3+4=
23+6=
21+21=
16+20=
练习题五
34+16= 14-2= 22+20= 13-8= 12-6=
33+2=
24-8=
22+22=
11+11=
20-8=
28+16=
22+12=
19-1=
2+7=
13+27=
12-4=
6+33=
12+24=
19+21=
27+4=
2+38=
28-8=
7+39=
32+11=
20+4=
12-7=
47-8=
15+3=
36+11=
5+41=
4+44=
11-7=
6+7=
35-9=
20+23=
15+30=
19+28=
39-7=
2+28=
16+5=
36+12=
10+29=
18+23=
42-9=
33-2=
17+33=
12+22=
3+30=
38-6=
14+30=
23+9= 1+47= 4+43= 18+19= 9+3=
28-4= 31+11= 47+2= 3+36= 44-1=
24-7=
12+20=
31-4=
39+8=
9+1=
47-3=
21-5=
16+1=
17-5=
7+34=
23-9=
24+8=
29+2=
2+36=
46-8=
2+27=
40-1=
21+6=
46+2=
12+11=
24-1=
6+19=
34-1=
15+29=
8+31=
17-9=
29+13=
3+6=
2+35=
49-5=
14+32=
4+17=
12+1=
15+8=
3+20=
2+39=
38+3=
3+15=
10+38=
15+14=
练习题六
8+6= 42+2= 13+17= 4+42= 2+42=
14-7=
47-2=
3+32=
16+4=
22+26=
19+17=
11+32=
25+5=
40-9=
35+13=
8+32=
26+6=
13+34=
23+18=
4+5=
10+13=
6+14=
23-8=
27-4=
41+5=
39-3=
8+15=
27+12=
1+43=
13+22=
16+25=
17+24=
7+37=
22+23=
18+1=
16+10=
8+21=
4+33=
7+31=
33+10=
8+29=
18+11=
4+20=
1+21=
12+16=
31+3=
9+31=
23-1=
28+7=
1+20=
15-3= 23+8= 8+38= 5+27= 18-9=
18-8= 12+18= 6+38= 3+41= 22+21=
3+24=
14+25=
45-6=
37+6=
12+28=
25-3=
28+4=
25+6=
30+7=
16+8=
40-3=
12+14=
19+8=
15-6=
27+13=
23+1=
16+20=
18+28=
42+5=
31-9=
5+32=
32+8=
7+40=
16+33=
7+11=
39-9=
26+11=
34+5=
15+5=
22+27=
21+20=
20+1=
1+28=
2+29=
9+26=
11+27=
28+6=
18+29= 13+28=
19+14=
练习题七
41-5= 34+3= 14+11= 1+13= 24-5=
17-8=
15+18=
42+8=
29+12=
36+5=
12+18=
18+11=
3+6=
6+35=
4+26=
5+27=
22-2=
11+28=
14+9=
26+16=
28+21=
49-8=
31+3=
42+6=
11-5=
22+24=
5+45=
5+20=
20+10=
1+24=
13+37=
23+1=
23+14=
14+22=
3+21=
41-6=
4+7=
19+4=
15-7=
1+47=
39-1=
10+24=
15+15=
3+19=
8+11=
2+14=
15+33=
25+5=
1+31=
23+13=
17+30= 26+6= 37+9= 12+32= 32+9=
34-1= 20-7= 37+7= 29-5= 8+15=
18+12=
26-5=
4+2=
12+21=
29-4=
22-7=
30-3=
18-7=
39+9=
17+21=
24+10=
2+3=
21+20=
30-6=
16-1=
25-7=
21+11=
29+8=
13+11=
46-2=
10+27=
35+14=
38-3=
22+11=
1+42=
13+33=
7+28=
25-1=
29-8=
46-7=
3+36=
2+37=
38-1=
22+26=
1+5=
1+23=
34+2=
25+4=
32-4=
18+16=
练习题八
34+11= 23+2= 22+15= 5+32= 4+16=
15-9=
35+1=
21+26=
19+24=
30+15=
21+10=
28-1=
17-4=
10+3=
36+12=
6+34=
31-8=
29-1=
18+10=
23+16=
18-8=
13+5=
1+16=
8+28=
6+13=
15-2=
39+3=
28+7=
15+1=
21+25=
12-7=
6+10=
18+20=
13+25=
20+8=
35+11=
44-1=
10+6=
27-8=
2+2=
31+10=
11-7=
45-7=
7+36=
3+29=
24+23=
28+22=
1+18=
40-5=
22+25=
33+10= 19+27= 9+19= 27-3= 13+15=
18+22= 33-5= 24+17= 21+3= 20+21=
8+2=
19+15=
17+4=
21+12=
12+34=
26+21=
11+12=
45-1=
22+2=
45+1=
3+24=
24+16=
14+32=
19+9=
10+11=
22-6=
27+21=
44+6=
15+2=
39-8=
45+3=
37+11=
34+6=
15-6=
41-1=
18+23=
35+9=
13+36=
6+1=
8+37=
4+24=
15+11=
25+1=
7+29=
22+6=
8+14=
40+3=
47-2=
21-2=
49-3=
练习题九
38+3= 46+3= 4+38= 47-2= 6+2=
19+11=
23-2=
11+7=
10+3=
36-5=
12+22=
6+40=
27+8=
16+4=
13+36=
7+5=
21+17=
30+9=
9+35=
19+14=
1+29=
16+21=
30+2=
37+10=
41-2=
5+37=
26+11=
16-2=
24+3=
44-1=
33+12=
12-3=
22+9=
14+15=
15+7=
11-1=
9+22=
31-2=
45-2=
48-6=
18-2=
23+25=
35+3=
1+30=
22+2=
17+8=
36-1=
1+10=
45+4=
9+18=
1+4= 2+34= 14+14= 36-8= 34-3=
31+12= 9+32= 16+18= 40-5= 17+15=
1+40=
30+20=
22+13=
8+29=
21+18=
11+10=
42+7=
3+13=
18+30=
19+16=
14+16=
4+42=
38-2=
20+20=
20+3=
8+6=
10+26=
33+9=
24+15=
39-6=
30-9=
23+21=
2+6=
13-4=
14+8=
23-4=
21+16=
13+1=
43-1=
26+6=
26+19=
13+9=
10+28=
6+24=
26+24=
8+23=
5+26=
1+39= 15-5= 19+9=
练习题十
1+45= 14+24= 27+9= 42-1= 11+19=
9+29=
32-4=
15+10=
15+31=
20+23=
28+11=
29+20=
40+2=
24-5=
3+40=
16+27=
2+3=
44-5=
13+12=
13+33=
5+43=
28+17=
18+19=
26+22=
9+27=
13+29=
4+28=
29-7=
37-8=
20-7=
11+26=
34+13=
35+11=
14+9=
19-2=
18+2=
20+13=
37+7=
23+5=
45-5=
13+4=
11+4=
7+35=
41-5=
33+10=
11+35=
12+3=
22+16=
41+2=
36+7=
4+1= 1+1= 5+38= 15-1= 41-4=
21-4= 22-3= 45+1= 17+6= 12+11=
2+41=
13+17=
33-1=
13+24=
22+28=
24+8=
17+9=
34+10=
34-2=
27+23=
35-1=
30+12=
15+9=
17+5=
12+9=
24+26=
5+5=
17+11=
12+6=
27+2=
40+9=
8+13=
3+14=
1+3=
12+37=
8+39=
3+35=
7+14=
47-4=
19+22=
28-6=
26-1=
29-3=
8+26=
29+13=
10+37=
9+28=
17+3=
1+22= 14-7=
练习题十一
15-5= 24-8= 31-2= 8+12= 17-4=
21+14=
9+26=
36-7=
3+8=
48-9=
17-5=
24+3=
39+8=
48-5=
27+4=
45-1=
32+3=
40-8=
33-9=
9+30=
5+33=
6+13=
12+12=
19-4=
39-8=
9+32=
15+20=
4+26=
4+18=
40-7=
2+48=
16+14=
28+9=
40-3=
10+14=
14+22=
6+43=
44-8=
21+3=
47-8=
29-1=
2+9=
46-7=
15+9=
35+11=
17-9=
14+18= 15+10=
13+34=
13+36=
46-9= 33+15= 6+33= 40-1= 4+33=
23+23= 16+15= 3+41= 11+5= 41-3=
10+23=
30-2=
7+19=
42+6=
27+12=
3+9=
9+31=
29+21=
31+6=
27+7=
11-7=
1+25=
19+8=
35+13=
23-6=
6+2=
28+8=
29+17=
40+1=
23+1=
29+3=
17+9=
6+30=
2+37=
14+8=
9+21=
32-4=
25+9=
17+2=
16-5=
3+31=
18+22=
4+43=
11+6=
20+9=
26+24=
6+36=
42-1=
12+28=
12+38=
练习题十二
7+40= 33-3= 20+14= 49-2= 31-5=
11+4=
28+5=
41-5=
27+16=
49-3=
7+23=
29-5=
36+5=
26+12=
15+15=
46-4=
24-3=
36+11=
30+5=
7+42=
4+42=
8+26=
16+19=
40-2=
34+9=
48-7=
14+34=
20+3=
34+1=
8+39=
4+13=
41+5=
26+8=
8+23=
13+18=
1+26=
2+32=
42+8=
40-9=
27+15=
13+3=
16-4=
39+7=
20+6=
5+18=
39+5=
44+3=
15-8=
37-2=
11+37=
9+23= 2+29= 12+29= 48-4= 32-7=
17+28= 2+41= 31-6= 19+30= 7+17=
11+24=
5+30=
6+22=
20+26=
38+7=
6+18=
18+7=
13+21=
1+33=
19+1=
17+15=
22-4=
44+1=
27+20=
39+4=
16+29=
9+37=
26+19=
21+4=
44-4=
13+9=
5+23=
21+27=
23+14=
49-5=
7+24=
4+28=
11+39=
7+32=
3+43=
17+31=
42-2=
34+14=
31+9=
30+12=
15+33=
3+44=
2+44=
21-2=
11+10=
练习题十三
18+24= 12+3= 11-5= 45+1= 13+17=
15-2=
1+14=
35+1=
29+13=
13+4=
8+40=
33-3=
14+9=
8+22=
16+1=
25-7=
12+7=
1+24=
12+28=
8+21=
19+16=
11+3=
25+15=
30+16=
4+26=
8+27=
37+11=
19+23=
2+40=
4+20=
11+14=
36+13=
1+13=
7+37=
11+25=
15+11=
1+15=
32+16=
28+5=
18+18=
40-1=
18+29=
19+29=
23+3=
15+30=
4+42=
29+12=
20+27=
27+16=
42-6=
2+23= 34-6= 16+23= 9+28= 7+43=
11+32= 14-3= 10+16= 5+28= 15+12=
13-6=
4+37=
3+36=
35+6=
11+37=
21-2=
13+9=
9+4=
6+33=
45+5=
42-9=
5+33=
32+2=
7+15=
31+11=
49-4=
3+15=
19-2=
45-1=
45-5=
21-7=
45+3=
20-3=
9+30=
6+40=
7+34=
13+16=
1+45=
17+1=
16+3=
4+25=
18-5=
8+25=
25+6=
28+1=
20+12=
32-5=
49-9=
31-4=
11+4=
练习题十四
6+35= 6+27= 14-1= 44+6= 34-2=
4+1=
29+7=
47-1=
26-7=
3+30=
21+29=
48-9=
6+11=
4+28=
13+23=
47-2=
15+21=
24+9=
9+40=
27+1=
32-3=
22+19=
9+15=
22+13=
12+34=
7+27=
7+41=
41+4=
18+6=
1+1=
4+7=
29-6=
13+10=
34-8=
29+5=
35+11=
5+4=
14+23=
30+7=
12+6=
30+2=
19+7=
19-5=
34-4=
16+13=
28+16=
10+26=
18+23=
9+9=
17+19=
30+1= 32+6= 4+22= 35+8= 9+35=
8+19= 13+36= 29+17= 24+19= 44-4=
7+22=
14+21=
16+34=
27+23=
20+10=
4+44=
31-7=
18+3=
10+9=
21+27=
10+32=
29-4=
6+32=
20-5=
36-5=
26+13=
36+10=
11+23=
37+7=
11+16=
39-9=
20+6=
18-7=
11+36=
2+33=
24-7=
10+14=
26+19=
39+9=
37-5=
11-1=
12+13=
32+12=
2+25=
3+28=
14+27=
25+1=
27-9=
22+16=
20+24=
练习题十五
10+14= 32+14= 3+4= 29+18= 7+16=
17+33=
20+20=
38-2=
25+19=
19+13=
21+8=
40-3=
15+14=
18+2=
1+25=
3+20=
38-5=
29-7=
29+10=
34+11=
40+9=
25+1=
5+37=
1+38=
23-7=
27+21=
3+23=
8+31=
1+29=
15+13=
23+7=
11+7=
18+5=
13+24=
35+14=
22+28=
17-4=
24+16=
45+2=
9+22=
22+18=
34+4=
41+7=
14+32=
9+13=
43-7=
15+2=
17-7=
42+8=
7+36=
35+13= 4+35= 46-4= 24+12= 6+38=
28+14= 19-4= 22+20= 20-7= 2+36=
42-9=
11+16=
23-9=
10+27=
28+17=
6+36=
23+20=
1+14=
42-3=
17+15=
24+15=
35+3=
10+16=
20+7=
17+17=
44+5=
3+29=
43+7=
6+44=
40-9=
10+20=
27-2=
1+42=
4+44=
33-9=
30-8=
42+2=
4+6=
12+1=
3+28=
9+15=
28+3=
33+11=
19+14=
23+4=
28+13=
37+3=
34-9=
14+12=
7+14=
练习题十六
9+30= 11+13= 23-3= 19+17= 41-8=
37-2=
27-9=
34+16=
4+9=
26+17=
21+21=
39-8=
37-5=
5+42=
10+9=
38-4=
11+22=
3+2=
8+20=
5+44=
9+28=
6+42=
30+15=
48-9=
7+39=
42+1=
18+23=
14+3=
49-7=
46+1=
22+3=
43+1=
14-7=
11+24=
3+27=
38-7=
4+26=
25-8=
5+25=
20-5=
9+26=
7+7=
22+11=
5+12=
13+5=
3+18=
4+34=
35+5=
19+27=
10+29=
38-1= 37+8= 23+11= 17+5= 33+6=
13+34= 29+4= 33-2= 27+6= 22+13=
4+36=
37+2=
23-4=
10+31=
12+4=
14+16=
10+5=
21+13=
45-1=
42+4=
5+36=
43+4=
9+8=
1+3=
4+25=
16+12=
47+3=
12+6=
24+24=
9+5=
5+4=
1+26=
39+6=
19-9=
1+45=
10+33=
4+27=
32-9=
26+15=
1+27=
26+16=
41-2=
21+25=
9+38=
8+12=
12+37=
45-9=
7+22=
25+6=
13+10=
练习题十七
20+2= 17-8= 17+3= 3+15= 22+19=
23+9=
8+36=
6+33=
6+28=
12+37=
29+2=
10+24=
35-1=
47+2=
3+27=
19-7=
1+26=
7+31=
19+26=
21+14=
1+8=
12+3=
20+5=
19+10=
6+38=
41+3=
22+6=
16+6=
19+15=
3+39=
10+39=
16-1=
44+6=
23+11=
24+23=
15+10=
13+25=
2+23=
7+42=
27+13=
28-7=
29+14=
19+3=
27+18=
31+11=
17+8=
8+7=
19+1=
31-1=
16+21=
3+14= 19+8= 25+1= 4+5= 23-7=
1+21= 6+24= 25+24= 9+11= 19+27=
2+1=
13+17=
10+9=
20+7=
8+18=
7+19=
30-4=
17-7=
2+8=
18+21=
28+3=
23+3=
13+30=
21-1=
15+3=
10+1=
23+24=
3+22=
6+16=
26+18=
8+33=
25+5=
5+40=
36+1=
7+38=
29+9=
48-2=
11-5=
13+35=
19+21=
1+23=
43+4=
23+23=
3+26=
29-1=
12+14=
40+9=
5+37=
5+45=
13+21=
练习题十八
15+7= 47-9= 43-5= 39+2= 11+37=
5+39=
17+24=
13+3=
24+5=
16-8=
8+27=
37-8=
22+28=
21-3=
23+2=
30+3=
16-9=
37+12=
16+5=
4+16=
34+11=
39+11=
17-5=
18+22=
8+16=
24+14=
36+4=
31+8=
11-9=
4+13=
13+32=
26+5=
44-7=
28-8=
14+22=
18+9=
21+28=
9+34=
43-6=
26+11=
34+3=
19-8=
16+19=
41-4=
23+22=
17+9=
19+11=
11+27=
21+18=
7+37=
46-1= 14-1= 23-3= 34-7= 35-9=
23+25= 21+5= 36+11= 21+26= 15+1=
4+45=
11+33=
33-1=
16+12=
19+6=
1+25=
27+15=
43+1=
14-5=
14+9=
8+19=
30+17=
12-1=
39+7=
34+1=
27+4=
35+12=
6+30=
23-5=
34+15=
32+18=
39+8=
12+25=
28+6=
26-8=
13+1=
33+6=
17+23=
28-9=
13-6=
44-1=
7+10=
20+27=
14+20=
28+21=
6+34=
39-9=
4+39=
48-7=
27+7=
练习题十九
24-9= 16-3= 33-1= 8+27= 4+42=
11+15=
27+14=
27+1=
35+3=
18+20=
47+3=
4+18=
17-8=
45+5=
13+30=
16-4=
35+6=
2+21=
9+34=
21+27=
13+5=
31+4=
9+22=
19+18=
28+2=
35+9=
10+34=
1+7=
20-9=
9+1=
6+34=
4+19=
14+4=
1+11=
7+3=
19-4=
15+7=
17+18=
4+46=
38+10=
5+21=
46-6=
14-6=
6+8=
47-3=
22-3=
14+36=
2+15=
23+12=
2+19=
20+9= 28+19= 1+31= 37+5= 17-1=
30-8= 2+10= 26+19= 23+24= 16+9=
22+6=
4+11=
44-4=
42+1=
12-4=
3+31=
33+8=
41-4=
48-4=
5+17=
4+39=
29+7=
36+5=
25+18=
37-9=
18-3=
3+37=
28+21=
7+8=
21+12=
11+18=
8+28=
11-9=
15-9=
20+6=
32-3=
39+3=
16+17=
17-6=
30+3=
3+18=
35+1=
37+3=
1+13=
19+27=
17+22=
26+5=
21+22=
10+26=
15+18=
练习题二十
9+32= 30+19= 5+2= 47-9= 31+9=
6+27=
12+2=
17+8=
27+17=
23-2=
27+18=
18+12=
4+37=
20+19=
3+7=
33+3=
49-1=
4+3=
23+13=
34-1=
19+30=
30+18=
24+1=
25+16=
47-7=
37-2=
28+16=
40+10=
21+4=
38+12=
20+12=
36-3=
22+11=
16-1=
2+12=
16+15=
25+8=
5+37=
39+9=
8+11=
22+26=
12+18=
18+27=
13+29=
4+16=
8+30=
34-2=
16+14=
35-9=
18+13=
29+21= 8+6= 25-5= 30+17= 24+9=
19+7= 4+2= 17+17= 4+23= 49-6=
4+5=
6+13=
46-9=
6+28=
11-3=
9+15=
46+4=
41-3=
13+28=
4+7=
13-7=
48-2=
42+4=
38+4=
44+1=
2+4=
14+34=
31+11=
9+26=
22+28=
22+18=
32+18=
27+2=
1+28=
6+10=
40-9=
29+3=
40+9=
24-1=
33+13=
23+3=
29+1=
18+23=
16+16=
20+18=
36-4=
7+19=
5+22=
36+3=
17+23=
2024年3月17日发(作者：速元魁)
练习题一
11+23= 28+7= 14+10= 17-6= 8+19=
2+30=
11-5=
10+13=
6+19=
9+16=
28-2=
33-4=
43-8=
22+20=
12+11=
22-2=
15+28=
43-7=
4+22=
15+3=
6+11=
30+1=
23+4=
7+24=
35-3=
15+20=
44-6=
11+34=
3+13=
24+11=
30+4=
27+7=
7+25=
3+20=
23+6=
26+9=
42-3=
15+19=
28+14=
14+32=
7+13=
29-5=
14+34=
30+19=
15-6=
3+45=
2+46=
25-4=
1+46=
13+24=
36-5= 3+11= 8+2= 30-3= 2+39=
42-2= 2+25= 7+15= 13+18= 19-5=
29+9=
40+2=
24+2=
6+38=
49-4=
39-2=
17+31=
15+4=
11+4=
9+20=
38+7=
1+32=
29+19=
35+8=
13+34=
3+43=
25-7=
24+1=
34+9=
36+5=
30+18=
4+23=
8+22=
7+20=
6+20=
28+6=
22+15=
6+13=
17-8=
37+7=
3+7=
24+12=
9+25=
3+42=
9+3=
27+3=
32+4=
24+8=
26-5=
20+18=
练习题二
25+20= 19-6= 46-8= 27+22= 4+44=
8+3=
7+2=
27-3=
4+33=
13+1=
32+13=
20+11=
27+15=
33-1=
11-4=
9+7=
19+1=
13-1=
23+20=
14-8=
5+37=
44-9=
24+9=
21+9=
47-3=
38+8=
39+5=
13-9=
14+28=
26+20=
2+38=
19+28=
18-2=
8+24=
14+24=
17+14=
18+8=
47-5=
14+27=
14+12=
38+12=
21+4=
12-3=
9+38=
10+26=
8+26=
25+18=
42-5=
13-5=
13+9=
37-6= 18+29= 5+21= 48-4= 13+20=
17+19= 5+6= 29+10= 12-5= 23-8=
22+13=
17+8=
9+23=
32-7=
10+22=
39+6=
18-5=
21+25=
18+16=
24-6=
25+19=
9+34=
13+7=
44-4=
10+18=
1+6=
18+11=
14-5=
15+35=
6+24=
8+37=
26+11=
49-7=
4+31=
20+19=
42+3=
7+42=
33-6=
22+28=
12+22=
22+19=
30+2=
12+10=
2+28=
33-2=
14+5=
2+35=
15+34=
47-9=
38+11=
练习题三
11+38= 24-2= 4+19= 32-8= 20+25=
26+20=
14+2=
1+17=
8+18=
2+24=
21+29=
33+13=
7+14=
31+1=
34-5=
16-9=
13+30=
35+2=
17+25=
15-9=
12+17=
18-9=
25+14=
17+20=
15-7=
36+7=
26+22=
1+42=
13+28=
33+5=
38+2=
24-8=
3+2=
2+43=
32+14=
35+7=
25+17=
21+4=
15+2=
28-2=
4+33=
6+32=
36+6=
5+33=
34+5=
17+4=
9+32=
14+20=
2+2=
38-9=
23+26= 14-7= 16-3= 10+32= 12+1=
3+17= 30+18= 4+39= 41+9= 29-5=
13+16=
5+12=
2+48=
14+11=
40-4=
36+13=
47+1=
31+12=
33-5=
7+8=
24+7=
6+26=
8+10=
1+3=
22+28=
3+21=
20+3=
36-1=
2+22=
14+16=
26+21=
29+2=
19+24=
39+6=
49-1=
1+39=
6+13=
21-1=
15+4=
29+21=
38-7=
12+2=
8+41=
22+4=
3+12=
12+10=
29+17=
2+41=
20+30=
14+12=
练习题四
18+5= 11+22= 31+16= 16+10= 34+7=
36+4=
30-2=
8+42=
1+21=
11+7=
3+29=
41-1=
17-3=
35-7=
16+7=
35+5=
27+21=
5+35=
28+20=
16+2=
42+1=
15+7=
14-3=
14-8=
15+12=
14+29=
24+2=
31+8=
20+16=
11+31=
8+31=
41-6=
12+20=
17+13=
45-9=
12+9=
13-5=
16+31=
30+10=
19+25=
14+15=
17+26=
10+15=
46+1=
29+1=
2+33=
40+7=
6+8=
7+5=
3+15=
3+22= 14+18= 26+19= 19+31= 33-7=
9+12= 30+16= 10+36= 18+1= 21+8=
1+13=
18+21=
21+17=
21+9=
18+17=
7+42=
21+13=
40-2=
7+27=
3+7=
17+23=
13+22=
18-5=
35-5=
12+15=
34-2=
5+29=
9+16=
19-6=
25+18=
7+24=
19+16=
42+8=
42+6=
4+4=
16+8=
14-5=
16+24=
23+15=
4+30=
49-6=
32+9=
22+21=
47-5=
3+46=
9+28=
3+4=
23+6=
21+21=
16+20=
练习题五
34+16= 14-2= 22+20= 13-8= 12-6=
33+2=
24-8=
22+22=
11+11=
20-8=
28+16=
22+12=
19-1=
2+7=
13+27=
12-4=
6+33=
12+24=
19+21=
27+4=
2+38=
28-8=
7+39=
32+11=
20+4=
12-7=
47-8=
15+3=
36+11=
5+41=
4+44=
11-7=
6+7=
35-9=
20+23=
15+30=
19+28=
39-7=
2+28=
16+5=
36+12=
10+29=
18+23=
42-9=
33-2=
17+33=
12+22=
3+30=
38-6=
14+30=
23+9= 1+47= 4+43= 18+19= 9+3=
28-4= 31+11= 47+2= 3+36= 44-1=
24-7=
12+20=
31-4=
39+8=
9+1=
47-3=
21-5=
16+1=
17-5=
7+34=
23-9=
24+8=
29+2=
2+36=
46-8=
2+27=
40-1=
21+6=
46+2=
12+11=
24-1=
6+19=
34-1=
15+29=
8+31=
17-9=
29+13=
3+6=
2+35=
49-5=
14+32=
4+17=
12+1=
15+8=
3+20=
2+39=
38+3=
3+15=
10+38=
15+14=
练习题六
8+6= 42+2= 13+17= 4+42= 2+42=
14-7=
47-2=
3+32=
16+4=
22+26=
19+17=
11+32=
25+5=
40-9=
35+13=
8+32=
26+6=
13+34=
23+18=
4+5=
10+13=
6+14=
23-8=
27-4=
41+5=
39-3=
8+15=
27+12=
1+43=
13+22=
16+25=
17+24=
7+37=
22+23=
18+1=
16+10=
8+21=
4+33=
7+31=
33+10=
8+29=
18+11=
4+20=
1+21=
12+16=
31+3=
9+31=
23-1=
28+7=
1+20=
15-3= 23+8= 8+38= 5+27= 18-9=
18-8= 12+18= 6+38= 3+41= 22+21=
3+24=
14+25=
45-6=
37+6=
12+28=
25-3=
28+4=
25+6=
30+7=
16+8=
40-3=
12+14=
19+8=
15-6=
27+13=
23+1=
16+20=
18+28=
42+5=
31-9=
5+32=
32+8=
7+40=
16+33=
7+11=
39-9=
26+11=
34+5=
15+5=
22+27=
21+20=
20+1=
1+28=
2+29=
9+26=
11+27=
28+6=
18+29= 13+28=
19+14=
练习题七
41-5= 34+3= 14+11= 1+13= 24-5=
17-8=
15+18=
42+8=
29+12=
36+5=
12+18=
18+11=
3+6=
6+35=
4+26=
5+27=
22-2=
11+28=
14+9=
26+16=
28+21=
49-8=
31+3=
42+6=
11-5=
22+24=
5+45=
5+20=
20+10=
1+24=
13+37=
23+1=
23+14=
14+22=
3+21=
41-6=
4+7=
19+4=
15-7=
1+47=
39-1=
10+24=
15+15=
3+19=
8+11=
2+14=
15+33=
25+5=
1+31=
23+13=
17+30= 26+6= 37+9= 12+32= 32+9=
34-1= 20-7= 37+7= 29-5= 8+15=
18+12=
26-5=
4+2=
12+21=
29-4=
22-7=
30-3=
18-7=
39+9=
17+21=
24+10=
2+3=
21+20=
30-6=
16-1=
25-7=
21+11=
29+8=
13+11=
46-2=
10+27=
35+14=
38-3=
22+11=
1+42=
13+33=
7+28=
25-1=
29-8=
46-7=
3+36=
2+37=
38-1=
22+26=
1+5=
1+23=
34+2=
25+4=
32-4=
18+16=
练习题八
34+11= 23+2= 22+15= 5+32= 4+16=
15-9=
35+1=
21+26=
19+24=
30+15=
21+10=
28-1=
17-4=
10+3=
36+12=
6+34=
31-8=
29-1=
18+10=
23+16=
18-8=
13+5=
1+16=
8+28=
6+13=
15-2=
39+3=
28+7=
15+1=
21+25=
12-7=
6+10=
18+20=
13+25=
20+8=
35+11=
44-1=
10+6=
27-8=
2+2=
31+10=
11-7=
45-7=
7+36=
3+29=
24+23=
28+22=
1+18=
40-5=
22+25=
33+10= 19+27= 9+19= 27-3= 13+15=
18+22= 33-5= 24+17= 21+3= 20+21=
8+2=
19+15=
17+4=
21+12=
12+34=
26+21=
11+12=
45-1=
22+2=
45+1=
3+24=
24+16=
14+32=
19+9=
10+11=
22-6=
27+21=
44+6=
15+2=
39-8=
45+3=
37+11=
34+6=
15-6=
41-1=
18+23=
35+9=
13+36=
6+1=
8+37=
4+24=
15+11=
25+1=
7+29=
22+6=
8+14=
40+3=
47-2=
21-2=
49-3=
练习题九
38+3= 46+3= 4+38= 47-2= 6+2=
19+11=
23-2=
11+7=
10+3=
36-5=
12+22=
6+40=
27+8=
16+4=
13+36=
7+5=
21+17=
30+9=
9+35=
19+14=
1+29=
16+21=
30+2=
37+10=
41-2=
5+37=
26+11=
16-2=
24+3=
44-1=
33+12=
12-3=
22+9=
14+15=
15+7=
11-1=
9+22=
31-2=
45-2=
48-6=
18-2=
23+25=
35+3=
1+30=
22+2=
17+8=
36-1=
1+10=
45+4=
9+18=
1+4= 2+34= 14+14= 36-8= 34-3=
31+12= 9+32= 16+18= 40-5= 17+15=
1+40=
30+20=
22+13=
8+29=
21+18=
11+10=
42+7=
3+13=
18+30=
19+16=
14+16=
4+42=
38-2=
20+20=
20+3=
8+6=
10+26=
33+9=
24+15=
39-6=
30-9=
23+21=
2+6=
13-4=
14+8=
23-4=
21+16=
13+1=
43-1=
26+6=
26+19=
13+9=
10+28=
6+24=
26+24=
8+23=
5+26=
1+39= 15-5= 19+9=
练习题十
1+45= 14+24= 27+9= 42-1= 11+19=
9+29=
32-4=
15+10=
15+31=
20+23=
28+11=
29+20=
40+2=
24-5=
3+40=
16+27=
2+3=
44-5=
13+12=
13+33=
5+43=
28+17=
18+19=
26+22=
9+27=
13+29=
4+28=
29-7=
37-8=
20-7=
11+26=
34+13=
35+11=
14+9=
19-2=
18+2=
20+13=
37+7=
23+5=
45-5=
13+4=
11+4=
7+35=
41-5=
33+10=
11+35=
12+3=
22+16=
41+2=
36+7=
4+1= 1+1= 5+38= 15-1= 41-4=
21-4= 22-3= 45+1= 17+6= 12+11=
2+41=
13+17=
33-1=
13+24=
22+28=
24+8=
17+9=
34+10=
34-2=
27+23=
35-1=
30+12=
15+9=
17+5=
12+9=
24+26=
5+5=
17+11=
12+6=
27+2=
40+9=
8+13=
3+14=
1+3=
12+37=
8+39=
3+35=
7+14=
47-4=
19+22=
28-6=
26-1=
29-3=
8+26=
29+13=
10+37=
9+28=
17+3=
1+22= 14-7=
练习题十一
15-5= 24-8= 31-2= 8+12= 17-4=
21+14=
9+26=
36-7=
3+8=
48-9=
17-5=
24+3=
39+8=
48-5=
27+4=
45-1=
32+3=
40-8=
33-9=
9+30=
5+33=
6+13=
12+12=
19-4=
39-8=
9+32=
15+20=
4+26=
4+18=
40-7=
2+48=
16+14=
28+9=
40-3=
10+14=
14+22=
6+43=
44-8=
21+3=
47-8=
29-1=
2+9=
46-7=
15+9=
35+11=
17-9=
14+18= 15+10=
13+34=
13+36=
46-9= 33+15= 6+33= 40-1= 4+33=
23+23= 16+15= 3+41= 11+5= 41-3=
10+23=
30-2=
7+19=
42+6=
27+12=
3+9=
9+31=
29+21=
31+6=
27+7=
11-7=
1+25=
19+8=
35+13=
23-6=
6+2=
28+8=
29+17=
40+1=
23+1=
29+3=
17+9=
6+30=
2+37=
14+8=
9+21=
32-4=
25+9=
17+2=
16-5=
3+31=
18+22=
4+43=
11+6=
20+9=
26+24=
6+36=
42-1=
12+28=
12+38=
练习题十二
7+40= 33-3= 20+14= 49-2= 31-5=
11+4=
28+5=
41-5=
27+16=
49-3=
7+23=
29-5=
36+5=
26+12=
15+15=
46-4=
24-3=
36+11=
30+5=
7+42=
4+42=
8+26=
16+19=
40-2=
34+9=
48-7=
14+34=
20+3=
34+1=
8+39=
4+13=
41+5=
26+8=
8+23=
13+18=
1+26=
2+32=
42+8=
40-9=
27+15=
13+3=
16-4=
39+7=
20+6=
5+18=
39+5=
44+3=
15-8=
37-2=
11+37=
9+23= 2+29= 12+29= 48-4= 32-7=
17+28= 2+41= 31-6= 19+30= 7+17=
11+24=
5+30=
6+22=
20+26=
38+7=
6+18=
18+7=
13+21=
1+33=
19+1=
17+15=
22-4=
44+1=
27+20=
39+4=
16+29=
9+37=
26+19=
21+4=
44-4=
13+9=
5+23=
21+27=
23+14=
49-5=
7+24=
4+28=
11+39=
7+32=
3+43=
17+31=
42-2=
34+14=
31+9=
30+12=
15+33=
3+44=
2+44=
21-2=
11+10=
练习题十三
18+24= 12+3= 11-5= 45+1= 13+17=
15-2=
1+14=
35+1=
29+13=
13+4=
8+40=
33-3=
14+9=
8+22=
16+1=
25-7=
12+7=
1+24=
12+28=
8+21=
19+16=
11+3=
25+15=
30+16=
4+26=
8+27=
37+11=
19+23=
2+40=
4+20=
11+14=
36+13=
1+13=
7+37=
11+25=
15+11=
1+15=
32+16=
28+5=
18+18=
40-1=
18+29=
19+29=
23+3=
15+30=
4+42=
29+12=
20+27=
27+16=
42-6=
2+23= 34-6= 16+23= 9+28= 7+43=
11+32= 14-3= 10+16= 5+28= 15+12=
13-6=
4+37=
3+36=
35+6=
11+37=
21-2=
13+9=
9+4=
6+33=
45+5=
42-9=
5+33=
32+2=
7+15=
31+11=
49-4=
3+15=
19-2=
45-1=
45-5=
21-7=
45+3=
20-3=
9+30=
6+40=
7+34=
13+16=
1+45=
17+1=
16+3=
4+25=
18-5=
8+25=
25+6=
28+1=
20+12=
32-5=
49-9=
31-4=
11+4=
练习题十四
6+35= 6+27= 14-1= 44+6= 34-2=
4+1=
29+7=
47-1=
26-7=
3+30=
21+29=
48-9=
6+11=
4+28=
13+23=
47-2=
15+21=
24+9=
9+40=
27+1=
32-3=
22+19=
9+15=
22+13=
12+34=
7+27=
7+41=
41+4=
18+6=
1+1=
4+7=
29-6=
13+10=
34-8=
29+5=
35+11=
5+4=
14+23=
30+7=
12+6=
30+2=
19+7=
19-5=
34-4=
16+13=
28+16=
10+26=
18+23=
9+9=
17+19=
30+1= 32+6= 4+22= 35+8= 9+35=
8+19= 13+36= 29+17= 24+19= 44-4=
7+22=
14+21=
16+34=
27+23=
20+10=
4+44=
31-7=
18+3=
10+9=
21+27=
10+32=
29-4=
6+32=
20-5=
36-5=
26+13=
36+10=
11+23=
37+7=
11+16=
39-9=
20+6=
18-7=
11+36=
2+33=
24-7=
10+14=
26+19=
39+9=
37-5=
11-1=
12+13=
32+12=
2+25=
3+28=
14+27=
25+1=
27-9=
22+16=
20+24=
练习题十五
10+14= 32+14= 3+4= 29+18= 7+16=
17+33=
20+20=
38-2=
25+19=
19+13=
21+8=
40-3=
15+14=
18+2=
1+25=
3+20=
38-5=
29-7=
29+10=
34+11=
40+9=
25+1=
5+37=
1+38=
23-7=
27+21=
3+23=
8+31=
1+29=
15+13=
23+7=
11+7=
18+5=
13+24=
35+14=
22+28=
17-4=
24+16=
45+2=
9+22=
22+18=
34+4=
41+7=
14+32=
9+13=
43-7=
15+2=
17-7=
42+8=
7+36=
35+13= 4+35= 46-4= 24+12= 6+38=
28+14= 19-4= 22+20= 20-7= 2+36=
42-9=
11+16=
23-9=
10+27=
28+17=
6+36=
23+20=
1+14=
42-3=
17+15=
24+15=
35+3=
10+16=
20+7=
17+17=
44+5=
3+29=
43+7=
6+44=
40-9=
10+20=
27-2=
1+42=
4+44=
33-9=
30-8=
42+2=
4+6=
12+1=
3+28=
9+15=
28+3=
33+11=
19+14=
23+4=
28+13=
37+3=
34-9=
14+12=
7+14=
练习题十六
9+30= 11+13= 23-3= 19+17= 41-8=
37-2=
27-9=
34+16=
4+9=
26+17=
21+21=
39-8=
37-5=
5+42=
10+9=
38-4=
11+22=
3+2=
8+20=
5+44=
9+28=
6+42=
30+15=
48-9=
7+39=
42+1=
18+23=
14+3=
49-7=
46+1=
22+3=
43+1=
14-7=
11+24=
3+27=
38-7=
4+26=
25-8=
5+25=
20-5=
9+26=
7+7=
22+11=
5+12=
13+5=
3+18=
4+34=
35+5=
19+27=
10+29=
38-1= 37+8= 23+11= 17+5= 33+6=
13+34= 29+4= 33-2= 27+6= 22+13=
4+36=
37+2=
23-4=
10+31=
12+4=
14+16=
10+5=
21+13=
45-1=
42+4=
5+36=
43+4=
9+8=
1+3=
4+25=
16+12=
47+3=
12+6=
24+24=
9+5=
5+4=
1+26=
39+6=
19-9=
1+45=
10+33=
4+27=
32-9=
26+15=
1+27=
26+16=
41-2=
21+25=
9+38=
8+12=
12+37=
45-9=
7+22=
25+6=
13+10=
练习题十七
20+2= 17-8= 17+3= 3+15= 22+19=
23+9=
8+36=
6+33=
6+28=
12+37=
29+2=
10+24=
35-1=
47+2=
3+27=
19-7=
1+26=
7+31=
19+26=
21+14=
1+8=
12+3=
20+5=
19+10=
6+38=
41+3=
22+6=
16+6=
19+15=
3+39=
10+39=
16-1=
44+6=
23+11=
24+23=
15+10=
13+25=
2+23=
7+42=
27+13=
28-7=
29+14=
19+3=
27+18=
31+11=
17+8=
8+7=
19+1=
31-1=
16+21=
3+14= 19+8= 25+1= 4+5= 23-7=
1+21= 6+24= 25+24= 9+11= 19+27=
2+1=
13+17=
10+9=
20+7=
8+18=
7+19=
30-4=
17-7=
2+8=
18+21=
28+3=
23+3=
13+30=
21-1=
15+3=
10+1=
23+24=
3+22=
6+16=
26+18=
8+33=
25+5=
5+40=
36+1=
7+38=
29+9=
48-2=
11-5=
13+35=
19+21=
1+23=
43+4=
23+23=
3+26=
29-1=
12+14=
40+9=
5+37=
5+45=
13+21=
练习题十八
15+7= 47-9= 43-5= 39+2= 11+37=
5+39=
17+24=
13+3=
24+5=
16-8=
8+27=
37-8=
22+28=
21-3=
23+2=
30+3=
16-9=
37+12=
16+5=
4+16=
34+11=
39+11=
17-5=
18+22=
8+16=
24+14=
36+4=
31+8=
11-9=
4+13=
13+32=
26+5=
44-7=
28-8=
14+22=
18+9=
21+28=
9+34=
43-6=
26+11=
34+3=
19-8=
16+19=
41-4=
23+22=
17+9=
19+11=
11+27=
21+18=
7+37=
46-1= 14-1= 23-3= 34-7= 35-9=
23+25= 21+5= 36+11= 21+26= 15+1=
4+45=
11+33=
33-1=
16+12=
19+6=
1+25=
27+15=
43+1=
14-5=
14+9=
8+19=
30+17=
12-1=
39+7=
34+1=
27+4=
35+12=
6+30=
23-5=
34+15=
32+18=
39+8=
12+25=
28+6=
26-8=
13+1=
33+6=
17+23=
28-9=
13-6=
44-1=
7+10=
20+27=
14+20=
28+21=
6+34=
39-9=
4+39=
48-7=
27+7=
练习题十九
24-9= 16-3= 33-1= 8+27= 4+42=
11+15=
27+14=
27+1=
35+3=
18+20=
47+3=
4+18=
17-8=
45+5=
13+30=
16-4=
35+6=
2+21=
9+34=
21+27=
13+5=
31+4=
9+22=
19+18=
28+2=
35+9=
10+34=
1+7=
20-9=
9+1=
6+34=
4+19=
14+4=
1+11=
7+3=
19-4=
15+7=
17+18=
4+46=
38+10=
5+21=
46-6=
14-6=
6+8=
47-3=
22-3=
14+36=
2+15=
23+12=
2+19=
20+9= 28+19= 1+31= 37+5= 17-1=
30-8= 2+10= 26+19= 23+24= 16+9=
22+6=
4+11=
44-4=
42+1=
12-4=
3+31=
33+8=
41-4=
48-4=
5+17=
4+39=
29+7=
36+5=
25+18=
37-9=
18-3=
3+37=
28+21=
7+8=
21+12=
11+18=
8+28=
11-9=
15-9=
20+6=
32-3=
39+3=
16+17=
17-6=
30+3=
3+18=
35+1=
37+3=
1+13=
19+27=
17+22=
26+5=
21+22=
10+26=
15+18=
练习题二十
9+32= 30+19= 5+2= 47-9= 31+9=
6+27=
12+2=
17+8=
27+17=
23-2=
27+18=
18+12=
4+37=
20+19=
3+7=
33+3=
49-1=
4+3=
23+13=
34-1=
19+30=
30+18=
24+1=
25+16=
47-7=
37-2=
28+16=
40+10=
21+4=
38+12=
20+12=
36-3=
22+11=
16-1=
2+12=
16+15=
25+8=
5+37=
39+9=
8+11=
22+26=
12+18=
18+27=
13+29=
4+16=
8+30=
34-2=
16+14=
35-9=
18+13=
29+21= 8+6= 25-5= 30+17= 24+9=
19+7= 4+2= 17+17= 4+23= 49-6=
4+5=
6+13=
46-9=
6+28=
11-3=
9+15=
46+4=
41-3=
13+28=
4+7=
13-7=
48-2=
42+4=
38+4=
44+1=
2+4=
14+34=
31+11=
9+26=
22+28=
22+18=
32+18=
27+2=
1+28=
6+10=
40-9=
29+3=
40+9=
24-1=
33+13=
23+3=
29+1=
18+23=
16+16=
20+18=
36-4=
7+19=
5+22=
36+3=
17+23=