应用加法交换律和结合律简便计算练习docx.docx

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应用加法交换律和结合律简便计算练习docx.docx

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应用加法交换律和结合律简便计算练习docx.docx

应用加法交换律和结合律简便计算练习docx

13++687+62=

48++52+214=

6+(157+94)=

69+69+231+31=

499+16+284+101=

175+354+25+346=

120+(229+80)=

129+71+118+282=

265+435+91+9=

83+100+200+17=

374+62+38+26=

76+(423+24)=

135+(683+65)=

364+35+65+236=

318+(229+382)=

82+(410+18)=

260+(322+40)=

97+(21+3)=

184+216+103+97=

92+53+47+108=

46+254++161=

95+(610+5)=

127+73+259+141=

113+(105+87)=

221+479+46+54=

8+(326+392)=

82+(167+18)=

483+117+178+22=

102+42+498+58=

165+(327+135)=

98+33+167+102=

308+165+35+292=

388+12+188+312=

487+295+5+13=

312+288+82+118=

164+153+36+447=

361+(221+239)=

352+248+43+257=

594+108+92+106=

307+150+50+93=

218+(638+82)=

92+(555+108)=

22+152+248+78=

307+(168+393)=

405+(473+95)=

 

410+389+11+90=

 

109+591+82+118=

113+60+387+40=

 

84+386+14+216=

 

154+46+562+38=

199+174+1+526=

187+13+154+46=

619+(144+81)=

49+(619+251)=

72+146+554+128=

584+(204+16)=

90+168+332+110=

10+390+337+63=

347+(403+153)=

63+(347+337)=

84+(899+16)=

348+(59+252)=

450+150+196+104=

68+148+452+132=

121+371+29+379=

91+(560+109)=

171+11+89+429=

229+438+71+62=

169+51+431+49=

149+(132+551)=

531+(140+169)=

220+(312+)=

78+100+500+122=

337+50+50+263=

23+205+395+277=

45+316+284+55=

228+172+148+252=

5+15+185+395=

190+10+634+66=

59+84+716+41=

66+65+35+234=

365+35+172+228=

518+92+8+182=

122+105+78+395=

28+572+49+151=

591+82+218+9=

244+(482+56)=

118+198+282+2=

98+402+58+142=

14+(104+86)=

131+(739+69)=

 

33+(515+267)=

464+36+236+164=

 

237+363+169+31=

96+4+241+59=

12+88+400+100=

473+114+27+286=

546+(313+54)=

8+692+79+21=

122+378+181+19=

463+72+128+237=

232+(342+368)=

30+(451+70)=

49+399+101+151=

515+85+37+263=

575+183+17+125=

310+(237+290)=

683+162+17+38=

154+53+47+46=

37+(243+563)=

154+53+47+46=

47+122+278+453=

109+60+391+140=

161+264+39+136=

106+594+133+67=

 

200+26+74+400=

 

101+63+599+137=

69+231+256+44=

 

13+202+98+287=

 

505+84+195+116=

135+32+68+465=

15+90+385+10=

41+(326+59)=

75+525+67+33=

106+(59+494)=

75+(295+325)=

5+95+244+56=

100+300+172+28=

7+(150+93)=

272+428+37+163=

162+(465+38)=

145+(104+455)=

266+27+134+73=

149+(358+151)=

178+84+416+222=

222+(+178)=

104+54+146+596=

275+(231+125)=

323+156+277+44=

208+27+92+73=

67+233+10+90=

178+(733+22)=

374+115+185+126=

 

80+20+370+230=

2+261+498+39=

 

59+148+152+41=

174+375+26+25=

50+(251+50)=

32+168+172+28=

378+59+41+222=

107+(491+293)=

23+(61+477)=

387+113+145+55=

79+(603+21)=

35+366+65+134=

59+41+37+63=

6+(210+94)=

156+(459+44)=

87+13+7+793=

106+(651+94)=

428+172+190+110=

596+(78+104)=

75+93+425+307=

113+387+22+278=

204+26+74+496=

84+(751+116)=

11+393+107+289=

191+(746+9)=

241+59+370+30=

202+363+198+137=

20+269+131+380=

179+21+157+43=

77+(504+323)=

410+18+290+182=

20+(119+80)=

202+(172+498)=

162+338+208+192=

318+15+82+85=

50+(156+350)=

55+293+107+245=

161+(151+39)=

356+99+44+101=

554+256+44+46=

359+20+80+341=

566+174+34+26=

458+(294+142)=

40+26+74+160=

93+(488+207)=

99+105+401+295=

167+29+371+133=

128+87+113+472=

353+66+47+34=

61+564+236+39=

361+108+39+92=

146+(71+54)=

30+96+470+104=

222+249+251+178=

23+590+110+177=

3+29+71+297=

56+(294+544)=

125+(708+75)=

217+145+155+283=

50+275+425+150=

382+218+241+59=

165+(33+535)=

418+80+20+82=

133++167+62=

103+14+86+297=

204+39+396+61=

125+(407+75)=

392+135+108+65=

48+(395+52)=

292+63+137+208=

412+(259+88)=

70+(155+130)=

99+225+1+475=

28+(478+172)=

392+63+108+37=

200+200+421+79=

454+(136+246)=

64+32+68+36=

283+387+113+117=

26+74+220+80=

377+223+76+24=

264+336+34+66=

123+577+16+84=

131+295+5+269=

412+117+83+188=

124+(481+176)=

488+(330+12)=

88+212+67+33=

226+(226+174)=

376+(389+24)=

296+39+104+161=

154+390+346+10=

244+72+128+256=

83+429+17+371=

10+78+90+322=

15+687+85+113=

93+7+46+554=

61+239+112+88=

 

347+74+26+153=

288+105+412+95=

 

135+165+65+535=

233+9+191+367=

97+(445+103)=

462+(172+238)=

20+280++161=

104+207+96+493=

113+187+175+225=

151+27+349+73=

315+(365+85)=

433+(275+267)=

141+24+359+276=

168+232+289+11=

308+168+392+32=

50+50+655+45=

99+289+11+301=

182+(793+18)=

18+(68+382)=

254+(292+146)=

129+71+109+291=

25+93+107+275=

57+123+643+77=

498+102+187+113=

218+103+197+82=

435+(178+65)=

20+680+88+12=

27+(525+173)=

108+99+592+101=

581+156+119+44=

86+315+14+185=

35+297+565+3=

23+477+58+42=

307+(2+93)=

389+(527+11)=

307+(203+193)=

176+424+148+52=

221+79+310+290=

256+(37+244)=

210+(93+490)=

158+(306+342)=

302+(13+298)=

211+2+98+489=

132+68+166+534=

93+298+2+407=

285+(604+15)=

174+(273+426)=

437+23+77+63=

357+78+122+143=

163+29+71+337=

71+29+310+290=

73+105+95+127=

127+(85+373)=

679+(45+21)=

278+322+88+212=

50+46+254+550=

41+55+245+259=

5+36+295+264=

152+48+436+164=

225+(372+275)=

506+68+32+194=

303+(59+197)=

25+475+337+63=

215+(153+485)=

99+375+125+301=

344+69+131+56=

153+185+215+147=

435+(225+65)=

19+29+371+181=

291+17+83+409=

85+15+178+22=

499+165+35+1=

405+165+35+95=

214+228++72=

198+(51+502)=

610+11+89+90=

161+539+43+157=

39+269+131+61=

568+38+62+132=

185+(465+215)=

224+9+191+76=

40+283+17+160=

16+389+11+84=

32+159+68+141=

30+70+562+38=

129+271+29+371=

299+42+201+358=

275+20+80+325=

67+(714+33)=

215+(352+285)=

152+48+244+156=

58+(23+442)=

53+462+247+=

269+31+148+52=

2+(840+98)=

143+(172+557)=

25+8+92+475=

283+33+117+367=

73+327+445+55=

26+(122+474)=

157+(78+543)=

387+(93+213)=

21+179+40+560=

243+120+457+80=

124+(299+376)=

114+(463+286)=

401+(207+299)=

421+62+38+279=

158+42+52+148=

271+29+16+484=

 

204+250+50+96=

350+45+350+55=

 

204+15+96+185=

3+(795+97)=

109+(523+191)=

450+(+250)=

 

28+72+238+262=

371+207+229+93=

 

301+199+64+236=

396+60+4+140=

268+(96+332)=

79+21+124+176=

198+2+22+278=

27+273+445+55=

75+(423+25)=

52+(236+348)=

 

78+285+122+315=

172+28+286+314=

 

253+247+91+109=

163+141+59+37=

277+(369+223)=

607+(67+93)=

 

50+275+425+150=

 

496+(212+104)=

133+362+338+67=

 

111+459+289+41=

 

102+144+56+398=

162+++114=

76+568+32+124=

26+153+74+547=

19+(194+181)=

19+(695+81)=

598+102+43+57=

54+(873+46)=

410+(382+90)=

55+45+31+169=

578+(62+122)=

133+67+106+94=

542+158+172+28=

367+(107+133)=

293+(314+307)=

89+549+251+11=

148+18+182+152=

194+(659+6)=

43+(55+457)=

91+9+283+517=

252+148+166+334=

11+31+269+189=

213+111+387+89=

388+108+92+212=

 

393+(494+107)=

184+63+137+516=

 

133+160+140+267=

88+165+612+35=

447+(493+53)=

389+261+111+39=

372+28+199+1=

142+(164+58)=

81+285+515+19=

16+(411+84)=

336+192+8+364=

372+162+28+=

165+(476+335)=

12+51+88+149=

676+24+94+6=

19+(231+681)=

100+114+100+386=

530+(125+70)=

280+(331+220)=

133+267+250+150=

44+42+56+358=

271+153+129+347=

178+(129+422)=

203+71+29+197=

18+63+682+37=

378+322+97+103=

255+(101+345)=

20+(644+80)=

165+(528+35)=

363+171+329+37=

191+(302+309)=

526+74+16+184=

314+150+50+386=

102+(99+398)=

98+202+25+75=

534+66+70+30=

74+17+683+26=

187+198+2+513=

163+187+113+337=

99+644+56+1=

63+72+237+28=

185+387+315+13=

105+17+83+195=

259+(456+141)=

136+64+265+435=

294+72+106+28=

162+117+83+438=

600+45+100+55=

53+459+47+241=

315+(425+85)=

 

501+99+70+30=

 

17+183+301+399=

 

13+179+521+87=

 

53+438+47+162=

 

357+195+243+5=

 

618+(185+82)=

390+69+431+10=

 

15+291+385+109=

 

438+168+32+162=

 

380+(60+320)=

 

20+80+7+293=

 

31+354+69+46=

 

27+132+273+68=

254+90+346+10=

322+(507+78)=

80+(248+20)=

 

507+93+79+21=

 

26+(774+174)=

110+72+90+428=

 

483+67+233+117=

 

230+74+326+170=

99+(239+201)=

4+96+46+454=

55+(788+45)=

228+12+472+88=

470+144+56+30=

518+(154+82)=

59+495+5+141=

 

238+30+170+362=

30+270+262+38=

 

175+88+212+425=

385+15+16+84=

153+(27+147)=

137+363+148+52=

491+35+65+209=

222+478+112+88=

12+(665+88)=

43+3+57+297=

35+96+365+4=

115+93+185+7=

46+204+154+496=

198+159+41+402=

221+79+547+53=

241+100+500+59=

413+48+87+52=

374+40+260+26=

422+17+83+278=

48+74+26+552=

142+(485+58)=

22+78+238+62=

315+89+11+285=

74+(188+126)=

580+20+22+78=

243+51+157+249=

184+95+5+216=

90+95+5+410=

125+159+375+41=

10+290+451+49=

159+429+71+41=

167+33+289+311=

145+189+11+455=

74+18+426+82=

499+(68+201)=

324+35+65+276=

258+60+140+42=

444+30+156+170=

307+(9+393)=

257+43+496+4=

32+538+62+68=

28+72+583+17=

150+(454+50)=

123+(447+177)=

79+450+50+21=

456+8+92+144=

625+(223+75)=

5+70+230+95=

166+81+419+34=

634+66+76+24=

496+292+8+104=

696+(115+4)=

389+(301+111)=

338+38+62+62=

397+38+62+203=

190+110+334+66=

275+141+59+325=

110+360+190+40=

49+51+301+399=

39+(803+61)=

 

54+246+439+61=

 

214+(101+86)=

287+(233+313)=

 

259+41+67+33=

 

55+45+229+271=

80+21+420+379=

173+(289+527)=

183+317+145+255=

 

133+67+136+64=

53+84+147+616=

 

476+3+124+197=

+214+67+333=

98+(159+2)=

438+162+130+70=

361+339+76+24=

319+381+25+75=

16+84+61+539=

107+(28+393)=

463+92+8+137=

265+30+35+370=

100+11

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