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四年级数学口算练习 应用加法交换律和结合律简便计算2

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2024年4月6日发(作者:文良翰)

应用加法交换律和结合律简便计算2

351+(360+149)= 134+207+366+93= 16+(379+284)=

395+5+292+108= 282+118+142+158= 145+(584+55)=

34+258+66+542= 220+285+215+80= 141+(413+359)=

322+(375+278)=

365+235+64+36=

308+(386+192)=

18+182+103+97=

281+45+119+255=

133+(65+467)=

65+(478+435)=

203+171+297+129=

330+3+370+97=

70+94+206+30=

81+(433+119)=

96+(65+104)=

485+15+184+16=

2+48+498+152=

131+92+8+169=

319+181+97+303=

179+59+41+221=

281+(294+219)=

647+53+175+25=

410+68+32+90=

453+247+37+63=

41+168+32+59=

379+221+4+96=

272+(29+28)=

255+(362+145)=

134+12+566+188=

190+43+257+110=

66+662+38+134=

227+(232+273)=

181+(96+119)=

10+(752+90)=

93+207+493+7=

162+283+17+138=

240+6+194+460=

478+6+222+194=

64+336+181+19=

423+117+177+83=

68+(848+32)=

344+20+380+56=

12+(150+188)=

357+(237+143)=

86+(211+314)=

146+148+152+254=

56+447+44+153=

156+(158+444)=

87+(550+13)=

80+162+520+38=

117+(319+383)=

112+(568+88)=

589+111+46+54=

293+18+182+7=

83+92+8+317=

538+62+193+107=

536+(45+164)=

185+415+76+24= 92+340+260+8= 168+532+52+148=

192+126+408+174= 18+48+282+152= 476+210+24+190=

66+393+34+407= 334+(279+166)=

99+101+229+371= 178+(30+122)=

13+287+61+39= 23+(372+277)=

388+312+82+18=

502+141+198+59=

295+80+20+405=

23+(55+177)=

33+345+455+67=

159+303+197+41=

126+(448+74)=

145+344+56+55=

133+(216+467)=

423+(113+177)=

48+114+152+86=

561+(223+139)=

208+392+31+69=

189+111+295+205=

11+27+389+73=

162+21+438+179=

40+(447+60)=

195+336+205+164=

261+39+7+93=

152+106+194+48=

63+14+86+37=

575+125+85+115=

182+26+74+318=

243+36+457+64=

36+117+83+64=

392+208+92+108=

499+(70+201)=

130+170+31+69=

88+(615+12)=

51+(520+49)=

309+162+391+38=

88+(407+12)=

131+169+559+41=

50+(62+250)=

530+(98+170)=

471+180+29+120=

287+57+113+443=

172+228+28+72=

84+(405+16)=

107+393+73+227=

27+411+73+189=

14+69+686+31=

471+(282+229)=

694+(223+6)=

18+(93+382)=

197+42+503+158=

312+171+188+129=

22+42+158+478=

9+(382+191)=

188+186+14+312=

161+257+143+339=

52+(589+248)=

177+156+44+23=

190+423+110+177=

2024年4月6日发(作者:文良翰)

应用加法交换律和结合律简便计算2

351+(360+149)= 134+207+366+93= 16+(379+284)=

395+5+292+108= 282+118+142+158= 145+(584+55)=

34+258+66+542= 220+285+215+80= 141+(413+359)=

322+(375+278)=

365+235+64+36=

308+(386+192)=

18+182+103+97=

281+45+119+255=

133+(65+467)=

65+(478+435)=

203+171+297+129=

330+3+370+97=

70+94+206+30=

81+(433+119)=

96+(65+104)=

485+15+184+16=

2+48+498+152=

131+92+8+169=

319+181+97+303=

179+59+41+221=

281+(294+219)=

647+53+175+25=

410+68+32+90=

453+247+37+63=

41+168+32+59=

379+221+4+96=

272+(29+28)=

255+(362+145)=

134+12+566+188=

190+43+257+110=

66+662+38+134=

227+(232+273)=

181+(96+119)=

10+(752+90)=

93+207+493+7=

162+283+17+138=

240+6+194+460=

478+6+222+194=

64+336+181+19=

423+117+177+83=

68+(848+32)=

344+20+380+56=

12+(150+188)=

357+(237+143)=

86+(211+314)=

146+148+152+254=

56+447+44+153=

156+(158+444)=

87+(550+13)=

80+162+520+38=

117+(319+383)=

112+(568+88)=

589+111+46+54=

293+18+182+7=

83+92+8+317=

538+62+193+107=

536+(45+164)=

185+415+76+24= 92+340+260+8= 168+532+52+148=

192+126+408+174= 18+48+282+152= 476+210+24+190=

66+393+34+407= 334+(279+166)=

99+101+229+371= 178+(30+122)=

13+287+61+39= 23+(372+277)=

388+312+82+18=

502+141+198+59=

295+80+20+405=

23+(55+177)=

33+345+455+67=

159+303+197+41=

126+(448+74)=

145+344+56+55=

133+(216+467)=

423+(113+177)=

48+114+152+86=

561+(223+139)=

208+392+31+69=

189+111+295+205=

11+27+389+73=

162+21+438+179=

40+(447+60)=

195+336+205+164=

261+39+7+93=

152+106+194+48=

63+14+86+37=

575+125+85+115=

182+26+74+318=

243+36+457+64=

36+117+83+64=

392+208+92+108=

499+(70+201)=

130+170+31+69=

88+(615+12)=

51+(520+49)=

309+162+391+38=

88+(407+12)=

131+169+559+41=

50+(62+250)=

530+(98+170)=

471+180+29+120=

287+57+113+443=

172+228+28+72=

84+(405+16)=

107+393+73+227=

27+411+73+189=

14+69+686+31=

471+(282+229)=

694+(223+6)=

18+(93+382)=

197+42+503+158=

312+171+188+129=

22+42+158+478=

9+(382+191)=

188+186+14+312=

161+257+143+339=

52+(589+248)=

177+156+44+23=

190+423+110+177=

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