2024年3月7日发(作者：富察水丹)
四年级数学口算练习题(运算定律)400题
(300+6)x12= 25x(4+8)= 125x(35+8)= (13+24)x8=
84x101= 504x25= 78x102= 25x204=
99x64= 99x16= 638x99= 48x52x2－4x48=
99x13+13= 25+199x25= 32x16+14x32= 78x4+78x3+78x3=
380+476+120= 256－147－53= 899+344= (569+468)+(432+131)=
373－129+29= 189－(89+74)= 456－(256－36)= 497－299=
28x4x25= 720÷16÷5= 630÷42= 102x35=
26x39+61x26= 356x9－56x9= 99x55+55= 78x101－78=
52x76+47x76+76= 134x56－134+45x134= 25x23x(40+4)= 999x999+1999=
158+262+138= 375+219+381+225= 999x99= 98x42=
5001－247－1021－232= (181+2564)+2719= 378+44+114+242+222= 497－299=
(375+1034)+(966+125)= 58x98= 99+999+9999+99999= 2370+1995=
7755－(2187+755)= 2214+638+286= 3065－738－1065= 3999+498=
2357－183－317－357= 2365－1086－214= 1883－398= 12x25=
(138x25)x4= (13x125)x(3x8)= (12+24+80)x50= 704x25=
25x32x125= 32x(25+125)= 75x24= 88x125=
178x101－178= 84x36+64x84= 75x99+2x75= 102x76=
83x102－83x2= (2130+783+270)+1017= 98x199= 3150÷15=
123x18－123x3+85x123= 50x(34x4)x3= 25x(24+16)= 178x99+178=
79x42+79+79x57= 7300÷25÷4= 8100÷4÷75= 4800÷25=
16800÷120= 30100÷2100= 32000÷400= 1248÷24=
(300+6)x12= 25x(4+8)= 125x(35+8)= (13+24)x8=
84x101= 504x25= 78x102= 25x204=
99x64= 99x16= 638x99= 999x99=
99x13+13= 25+199x25= 32x16+14x32= 43x98=
125x32x8=
3600÷25÷4=
1200-624-76=
278+463+22+37=
214-(86+14)=
576-285+85=
871-299=
178x101-178=
64÷(8x2)=
600-60÷15=
98-18x5+25=
175-75÷25=
36-36÷6-6=
100+1-100+1=
102+1-102+1
25x32x125=
8100÷4÷75=
2100-728-772=
732+580+268=
787-(87-29)=
825-657+57=
157-99=
83x102-83x2=
1000÷(125x4)=
20x4÷20x4=
56x8÷56x8=
25x8÷25x8=
100+45-100+45=
48x99+1=
65+35x13
88x125=
3000÷125÷8=
273-73-27=
1034+780320+102=
365-(65+118)=
690-177+77=
363-199=
17x23-23x7=
375x(109-9)=
736-35x20=
280-80÷4=
80-20x2+60=
15x97+3=
1000+8-1000+8=
25+75-25+75
72x125=
1250÷25÷5=
847-527-273=
425+14+186=
455-(155+230)=
755-287+87=
968-599=
35x127-35x16-11x35
456x(99+1)=
25x4÷25x4=
12x6÷12x6=
36x9÷36x9=
104x25=
5+95x28=
40+360÷20-10=
13+24x8= 672-36+64= 324-68+32= 100-36+64=
15x301－15= (250x9)x4= 25x(16x5)= 68x48+68x2=
560÷16= 373x9－73x9= 258－58－26－74= 450÷18=
256x7－56x7= 103x37= 27x37+37x23= 47+99+47=
102x45= 125x(80－8)= 72x101= 492－145－155=
163x8+37x8=
36x25=
41x99=
77x4x5=
76x23+24x23=
63x8+91x63+63=
27x99=
401x25=
199x9+199=
26x103=
98x32=
25x65+25x25=
39x14+61x14=
48x101－48=
49+49x49=
256x9－46x9=
199x53+53=
56+56x49=
(25+125)x8=
103x23=
28x111－28x11=
541x67－67x441=
125x17+63x125=
50x(60+8)=
125x32=
88x22+22x12=
24x250=
19+99x19=
34x201=
304x22=
7x(8x3)x125=
55x25+25x45=
39x101－39=
101x85－85=
43+43x39=
(30+8)x25=
123x67－23x67=
648+203=
226x13－26x13=
202x13=
64x9－14x9=
63+15x2=
201x34=
125x16=
52x32+48x32=
21x99=
(30+4)x25=
152x8+148x8=
25x5+74x5+5=
25x19x4=
48x125=
38x7+62x7=
101x89－89=
125x16=
13+13x49=
125x18=
202x41=
78x101－78=
420÷35=
5x27+63x5=
99x62+62= 25x5x16= 12+19x12= (30+2)x15=
(84+107)+93= 42+(58+70)= 48+56+44= 97x101–97=
39+57+61= 355+260+140+245= 500－257+34-143= 47x99=
155+264+36+44= 236+189+64= 216+89+411+84= 21x101=
1022－478－422= 478－256-144= 87+287-139－61= 56x125=
2000－368－132=
125x897x8=
125x(40+8)=
35x222÷111=
143+64+57+136=
4600÷25÷4=
14.68+16.29+5.32=
0.845+2.66+3.34=
115x23﹣23x15=
125x64=
487-(187+250)=
245+362+55+138=
865-255+135-645=
13.95-2.8-7.2=
30.27-(5.27+2.65)=
1814－378－422=
2x125x8x5=
88x27+27x12=
86+49+351=
12x24-12x14=
76x237+237x24=
2.87+3.94+0.06+1.13=
20.43﹣6.88﹣2.43=
40-(15.3-4.81)=
3600÷25÷4=
750-346-54=
56x7+45x7-7=
65x142-42x65=
46.9-(6.9+2.15)=
9.47+2.85+0.53=
973x5x2= 80x16x25x125=
195x25x4= 36x25=
35x99+35= 125x25x8x4=
132-68-32= 37500÷4÷25=
72x125= 31000÷8÷125=
99x38+38= 33.24﹣17.45﹣2.55=
11.33﹣3.78﹣2.22= 44x25=
15.25﹣3.1+0.75﹣4.9= 76x102=
87+124+13+76= 125x88=
45x98+90= 41x21+41x78+41=
498x109+2x109= 9.14-1.43-4.57=
25x32x125= 32x98+64=
8.26+5.75+1.25= 99x38+38=
4.38+3.25+2.62+6.75= 30.2-2.46-7.54=169x69-69x69= 1240-387-122=
27.3+73.2+72.7= 43.25-10.4-3.25= 98x8+16= 19.92+15.4-9.92=
76.8-27.4-12.6= 3.8+1.37+6.2+12.63= 14.85-(4.85+2.5)= 23.61+5.7-3.61=
36x25+74x36+36= 4800÷25÷4= 18.27-3.7+0.73-6.3= 1.98x47-0.98x47=
16x97+48= 4800÷3÷16= 115x23-23x15= 25x25x16=
15.25-3.1+0.75-4.9= 73x83-73x73= 999x4+333x88= 421-175-25=
87-2.123-0.877=
402×389=
294×353+147×294=
25×224×125=
44×16+44+483×44=
201×8-8-8×100=
25×288×125=
194×10-10-10×93=
231×173+27×231=
40×125=
207×159+241×207=
228×(24×25)=
64×125=
25×160×125=
25×32×125=
(70x4)x25=
72×25=
107×56×125=
25×64×125=
402×79=
362×5+195×362=
(25×32)×125=
134×16×125=
155×62+138×155=
113×28×25=
72×45+55×72=
24×125=
44×25=
56×125=
797+401=
8x(125x106)=
55×(28×25)=
25×(160×125)=
4×482+4+17×4=
78×186+14×78=
52×25=
40×157+143×40=
498×83=
56×(28×25)=
739×7-7-7×338=
32×125=
444-(387-356)=
188×24×125=
72×25=
(25×192)×125=
25x(32x125)=
(163×56)×125=
(127×16)×25=
246×146+254×246=
21×55+45×21=
197×171=
166×16×25=
45×20×25=
(25×96)×125=
726×11-11-11×325=
217×12×25=
5502÷21=
191×1-1-1×90=
153×16×125=
330×119+381×330=
2024年3月7日发(作者：富察水丹)
四年级数学口算练习题(运算定律)400题
(300+6)x12= 25x(4+8)= 125x(35+8)= (13+24)x8=
84x101= 504x25= 78x102= 25x204=
99x64= 99x16= 638x99= 48x52x2－4x48=
99x13+13= 25+199x25= 32x16+14x32= 78x4+78x3+78x3=
380+476+120= 256－147－53= 899+344= (569+468)+(432+131)=
373－129+29= 189－(89+74)= 456－(256－36)= 497－299=
28x4x25= 720÷16÷5= 630÷42= 102x35=
26x39+61x26= 356x9－56x9= 99x55+55= 78x101－78=
52x76+47x76+76= 134x56－134+45x134= 25x23x(40+4)= 999x999+1999=
158+262+138= 375+219+381+225= 999x99= 98x42=
5001－247－1021－232= (181+2564)+2719= 378+44+114+242+222= 497－299=
(375+1034)+(966+125)= 58x98= 99+999+9999+99999= 2370+1995=
7755－(2187+755)= 2214+638+286= 3065－738－1065= 3999+498=
2357－183－317－357= 2365－1086－214= 1883－398= 12x25=
(138x25)x4= (13x125)x(3x8)= (12+24+80)x50= 704x25=
25x32x125= 32x(25+125)= 75x24= 88x125=
178x101－178= 84x36+64x84= 75x99+2x75= 102x76=
83x102－83x2= (2130+783+270)+1017= 98x199= 3150÷15=
123x18－123x3+85x123= 50x(34x4)x3= 25x(24+16)= 178x99+178=
79x42+79+79x57= 7300÷25÷4= 8100÷4÷75= 4800÷25=
16800÷120= 30100÷2100= 32000÷400= 1248÷24=
(300+6)x12= 25x(4+8)= 125x(35+8)= (13+24)x8=
84x101= 504x25= 78x102= 25x204=
99x64= 99x16= 638x99= 999x99=
99x13+13= 25+199x25= 32x16+14x32= 43x98=
125x32x8=
3600÷25÷4=
1200-624-76=
278+463+22+37=
214-(86+14)=
576-285+85=
871-299=
178x101-178=
64÷(8x2)=
600-60÷15=
98-18x5+25=
175-75÷25=
36-36÷6-6=
100+1-100+1=
102+1-102+1
25x32x125=
8100÷4÷75=
2100-728-772=
732+580+268=
787-(87-29)=
825-657+57=
157-99=
83x102-83x2=
1000÷(125x4)=
20x4÷20x4=
56x8÷56x8=
25x8÷25x8=
100+45-100+45=
48x99+1=
65+35x13
88x125=
3000÷125÷8=
273-73-27=
1034+780320+102=
365-(65+118)=
690-177+77=
363-199=
17x23-23x7=
375x(109-9)=
736-35x20=
280-80÷4=
80-20x2+60=
15x97+3=
1000+8-1000+8=
25+75-25+75
72x125=
1250÷25÷5=
847-527-273=
425+14+186=
455-(155+230)=
755-287+87=
968-599=
35x127-35x16-11x35
456x(99+1)=
25x4÷25x4=
12x6÷12x6=
36x9÷36x9=
104x25=
5+95x28=
40+360÷20-10=
13+24x8= 672-36+64= 324-68+32= 100-36+64=
15x301－15= (250x9)x4= 25x(16x5)= 68x48+68x2=
560÷16= 373x9－73x9= 258－58－26－74= 450÷18=
256x7－56x7= 103x37= 27x37+37x23= 47+99+47=
102x45= 125x(80－8)= 72x101= 492－145－155=
163x8+37x8=
36x25=
41x99=
77x4x5=
76x23+24x23=
63x8+91x63+63=
27x99=
401x25=
199x9+199=
26x103=
98x32=
25x65+25x25=
39x14+61x14=
48x101－48=
49+49x49=
256x9－46x9=
199x53+53=
56+56x49=
(25+125)x8=
103x23=
28x111－28x11=
541x67－67x441=
125x17+63x125=
50x(60+8)=
125x32=
88x22+22x12=
24x250=
19+99x19=
34x201=
304x22=
7x(8x3)x125=
55x25+25x45=
39x101－39=
101x85－85=
43+43x39=
(30+8)x25=
123x67－23x67=
648+203=
226x13－26x13=
202x13=
64x9－14x9=
63+15x2=
201x34=
125x16=
52x32+48x32=
21x99=
(30+4)x25=
152x8+148x8=
25x5+74x5+5=
25x19x4=
48x125=
38x7+62x7=
101x89－89=
125x16=
13+13x49=
125x18=
202x41=
78x101－78=
420÷35=
5x27+63x5=
99x62+62= 25x5x16= 12+19x12= (30+2)x15=
(84+107)+93= 42+(58+70)= 48+56+44= 97x101–97=
39+57+61= 355+260+140+245= 500－257+34-143= 47x99=
155+264+36+44= 236+189+64= 216+89+411+84= 21x101=
1022－478－422= 478－256-144= 87+287-139－61= 56x125=
2000－368－132=
125x897x8=
125x(40+8)=
35x222÷111=
143+64+57+136=
4600÷25÷4=
14.68+16.29+5.32=
0.845+2.66+3.34=
115x23﹣23x15=
125x64=
487-(187+250)=
245+362+55+138=
865-255+135-645=
13.95-2.8-7.2=
30.27-(5.27+2.65)=
1814－378－422=
2x125x8x5=
88x27+27x12=
86+49+351=
12x24-12x14=
76x237+237x24=
2.87+3.94+0.06+1.13=
20.43﹣6.88﹣2.43=
40-(15.3-4.81)=
3600÷25÷4=
750-346-54=
56x7+45x7-7=
65x142-42x65=
46.9-(6.9+2.15)=
9.47+2.85+0.53=
973x5x2= 80x16x25x125=
195x25x4= 36x25=
35x99+35= 125x25x8x4=
132-68-32= 37500÷4÷25=
72x125= 31000÷8÷125=
99x38+38= 33.24﹣17.45﹣2.55=
11.33﹣3.78﹣2.22= 44x25=
15.25﹣3.1+0.75﹣4.9= 76x102=
87+124+13+76= 125x88=
45x98+90= 41x21+41x78+41=
498x109+2x109= 9.14-1.43-4.57=
25x32x125= 32x98+64=
8.26+5.75+1.25= 99x38+38=
4.38+3.25+2.62+6.75= 30.2-2.46-7.54=169x69-69x69= 1240-387-122=
27.3+73.2+72.7= 43.25-10.4-3.25= 98x8+16= 19.92+15.4-9.92=
76.8-27.4-12.6= 3.8+1.37+6.2+12.63= 14.85-(4.85+2.5)= 23.61+5.7-3.61=
36x25+74x36+36= 4800÷25÷4= 18.27-3.7+0.73-6.3= 1.98x47-0.98x47=
16x97+48= 4800÷3÷16= 115x23-23x15= 25x25x16=
15.25-3.1+0.75-4.9= 73x83-73x73= 999x4+333x88= 421-175-25=
87-2.123-0.877=
402×389=
294×353+147×294=
25×224×125=
44×16+44+483×44=
201×8-8-8×100=
25×288×125=
194×10-10-10×93=
231×173+27×231=
40×125=
207×159+241×207=
228×(24×25)=
64×125=
25×160×125=
25×32×125=
(70x4)x25=
72×25=
107×56×125=
25×64×125=
402×79=
362×5+195×362=
(25×32)×125=
134×16×125=
155×62+138×155=
113×28×25=
72×45+55×72=
24×125=
44×25=
56×125=
797+401=
8x(125x106)=
55×(28×25)=
25×(160×125)=
4×482+4+17×4=
78×186+14×78=
52×25=
40×157+143×40=
498×83=
56×(28×25)=
739×7-7-7×338=
32×125=
444-(387-356)=
188×24×125=
72×25=
(25×192)×125=
25x(32x125)=
(163×56)×125=
(127×16)×25=
246×146+254×246=
21×55+45×21=
197×171=
166×16×25=
45×20×25=
(25×96)×125=
726×11-11-11×325=
217×12×25=
5502÷21=
191×1-1-1×90=
153×16×125=
330×119+381×330=