四年级数学巧算练习题(一)

1、771 +29+115 =265+435+231 =202+ 198+ 366=411+89 + 48 =346+ 354+58=11 + 267+89 =可编辑426+174+7 =82+218+ 229=270+430+ 102=44 + 420 + 56 =524+ 76+ 254=417+83+357 =230 + 570+ 195=112+788+77=370+30+140 =414 + 286+ 25=388+212+63=595+205+ 171 =345 + 355+47=151+149+618=314+586+ 87 =32 + 868 + 6=216+ 284+488=21

2、7+ 183+ 323=238 + 562+ 117=36+ 564+ 382=193+407+312=402 + 298+ 127=25+ 737+ 75=290+210+ 177=12 + 290 + 88 =202+ 198+ 181 =76+824+69 =176+124+ 394=451 + 49+142=223+377+ 149=可编辑152+148+133=8+192+443=72 + 328+385 =699 + 201 + 72=261 + 339+225=77 + 423+314 =502 + 298+ 16=517+ 83+340=174+26+711 =181+519+

3、 230=92+408+ 284=69+192+31 =9+391 + 591 =85+766+ 15=25+175+737 =179 + 421 + 228=56+111 + 44=336+364+ 282=85 + 446+15 =400+ 500+84=9+191 + 612 =46 + 254 + 305=262+138+431 =223+277+ 372=477+123+136=350+ 50+ 123=132+368+424=285 + 515+ 19=481 + 219+19=468+432+74 =142+158+ 485=350+ 150+336=117+283+ 376=8

4、52 + 48 + 27 =311 + 89+143=516+284+118=可编辑157 + 443+ 326=57+443+452=25 + 275+135 =722 + 78+141 =65+415+ 35=111 + 489+ 344=375+125+ 24=41 + 359+ 29=380+320+ 221 =72 + 628 + 42 =360+ 240+141 =98+302+491 =259 + 341+136=35+565+61 =485+115+192=608 + 92 + 290=50+450+452=37 + 230+63 =684+16+93 =473+ 27+446

5、=39+161 + 691 =174 + 726+40=294+106+89=242+58+59 =492+108+ 371 =238+ 362+240=420+ 180+ 153=92 + 508 + 279=360+ 340+153=315+385+ 280=529 + 71 + 348=65+ 235+ 559=197+703+7 =可编辑64+136 + 73 =72+228+ 256=118+382+263=80+528 + 20 =28+ 877+ 72=7+293+369 =277 + 523+ 130=202+298+387=389+311 + 284=73+127+196=1

6、36+ 264+495=91 + 209+357 =724 + 76+58 =86+814+ 53=113+487+172=200+100+ 699=88+ 112+82=45+855+11 =23 + 677 + 298=95+405+416=216+284+ 346=316 + 84+138=143+ 657+21 =396+404+61 =220 + 680+42=5+57+95 =5+895+89 =666+134+ 29=17+245+ 83=93+307+432 =4+196+637 =672+ 128+ 109=168+632+ 175=可编辑674+126+196=54+546

7、+114=136+264+401 =134 + 366+ 360=113+187+467=186+14+226 =69 + 231+601 =461+139+174=67+333+30 =770+130+49=595+ 305+99=168+432+397=403 + 297+ 86=160+440+257=181 + 319+434=385 + 515+ 80=66+ 627+ 34=778+ 122+51 =586+114+129=149+ 751 + 27=295+205+495=175 + 25 + 206=291 + 309+67=9+204+91 =44+500 + 56 =17+

8、383+ 233=221 + 179+ 596=209 + 691 + 52=383+517+62=182+ 18+566 =381 + 119+146=471 + 329+14=472+328+168=可编辑302 + 98+370=39+247+61 =55+83 + 45 =35+165 + 554=73+ 127+ 57=36 + 464+468 =91 + 209 + 480=80+ 720+ 54=35+565+143 =216 + 84 + 422=380+ 320+221 =256+544+7 =181 + 119+433=518+182+9=80 + 420+342 =46

9、+ 454 + 262=65+ 196+ 35=2+ 198+787 =27+573 + 290=333+467+58=89+111 + 619 =102+198+ 607=149+ 251 +14=72 + 228+660 =344+156+ 354=332+468+81 =382+318+ 171 =455 + 245+ 73=342+258+167=90+540+10 =69+131 + 345=405+ 95+331 =72 + 447+28 =可编辑73+873 + 27 =15+185+2 =227+373+ 306=152 + 48 + 644=456+444+28=392+30

10、8+ 153=244 + 656+ 59=431 + 269+165=109+191 + 403=11 + 289+169=323+ 77+ 181 =24 + 676+128 =101 + 199+ 384=82+607+ 18=266+434+ 269=292 + 408+ 269=16+184+ 276=150+550+ 99 =213 + 587+ 134=79+887+21 =158+542+22 =15+840 + 85 =142+158+113=304+496+168=527 + 373+ 87=33+ 774+ 67=31 + 869+20 =345 + 55 + 457=27

11、+ 573+ 243=415+85+362 =171+29 + 252=476+ 224+283=192+8+249 =可编辑35+565 + 398=56+171 + 44=286+114+ 244=384+116+167=112+688+ 155=44+138+56 =564 + 36 + 45 =137+ 263+479=79+321 + 28 =216 + 84+373=7+848+93 =143+657+168=595 + 205+ 63=202+ 198+378=78+748+22 =27 + 210 + 73 =98+302+467=3+197+472 =78 + 222 + 5

12、5 =355+ 245+245=563+237+ 37 =138 + 62 + 211 =49+351 + 483=423+77+461 =14 + 286 + 304=786+14+28=51 + 249+523 =94 + 206 + 493=51 + 623+49=205+ 195+ 282=71 + 729+105=192+208+289=652+248+ 76 =可编辑110 + 690+ 22=332+568+91 =10 + 235+90 =91 + 209+188=446+ 54+ 305=182+418+ 348=10+190 + 647=434+ 66+ 248=22 +

13、726+78 =37 + 263 + 246=237+ 63+480=316+84+119 =384 + 216+109=388+ 12+400=50+137+50 =231 + 169+ 169=39+ 161 + 30=430+170+71 =251+549+ 137=304+ 396+276=158+42+700 =182+18+749=235+ 265+266=484+116+162=265 + 235+143=100+ 100+200=860+40+38 =308 + 292+ 134=432+268+70=93+307+418 =299 + 301 + 207=226+ 74+60

14、1 =89+311 + 315 =可编辑493 + 7+432 =494+ 306+92=11+489+478 =225 + 675+ 13=15+ 185+ 83=419+81 + 218 =12 + 73+88 =430+ 70+ 293=692+ 108+ 22 =125 + 375+ 166=463+ 37+421 =36+164+184 =743+157+16=253+ 147+272=332+268+147=282+118+ 121 =323+ 177+479=192+8+101 =554 + 246+ 95=302+ 198+ 110=27+173+193 =452 + 348+

15、178=26+174+21 =337+163+ 243=101+99+720=483+417+27=256+44+628 =336 + 564+ 29=852+48+9 =25+375+538 =187+113+7 =420+ 280+56=11 + 509+89 =可编辑392 + 8+84 =205+ 295+377=648+52+214 =94 + 259 + 6=259+ 241 + 453=319+381 + 47 =174 + 26+76 =465+135+208=257+443+ 55 =76 + 624 + 61 =110+ 90+112=536+164+51 =94+106

16、+ 772=56+444+492=297+603+ 76 =174 + 26+372=118+ 382+399=148+52+387 =377 + 223+315=676+124+113=493+ 107+ 80 =17 + 436 + 83 =667+ 233+66=717+83+3 =12 + 405 + 88 =5+149+595=441 +159+ 381 =35 + 208 + 65 =2 + 93+98 =12 + 370+88 =597 + 203+ 129=325+ 75+282=317+83+375 =可编辑167+133+614=332+568+91 =168+532+14

17、2=373 + 527+51 =473+ 327+ 139=406+294+159=122 + 78 + 697=258+142+15=124+76+99 =137 + 563+4 =175+ 25+ 118=251 + 649+18 =559+141 + 65=351 + 549+10=363+537+ 88 =58 + 242 + 88 =738+ 162+21 =194+206+91 =225 + 575+81 =194+106+598=191 + 209+ 36 =198 + 202+575=144+ 56+95=163+637+194=305+195+ 245=246+ 54+ 89

18、=105+ 195+ 11 =292 + 208+ 52=5+195+758=56 + 444+349 =可编辑298+102+365=416+ 84+156=4+596+26 =204 + 496+81 =298+ 102+43=276+224+109=200+100+457=331 + 369+ 107=259+41 + 661 =190 + 310+ 288=529+71 + 202=165+435+185=106 + 494+161 =263+ 37+485=62 + 776+38 =243 + 57+377=210+190+4=22 + 878+32 =15+321 + 85 =37

19、0+ 30+ 227=543+57+154 =342 + 258+214=101+ 199+581 =713+187+12 =395 + 5+138 =181+ 119+237=309+591 + 40 =507 + 93 + 262=740+ 60+ 36=395+5+280 =53 + 214 + 47 =173+ 27+332=409+391+171 =511+389+ 10=247+ 53+478=72 + 228+683 =可编辑203 + 497+ 201 =231 + 69+272=39+561 + 224 =60 + 240 + 563=231 + 569+92=65+535+

20、11 =165 + 335+71 =168+432+62=295+205+ 113=542+158+ 80=332+68+71 =320+80+421 =390 + 410+ 95=38+ 162+330=376+324+ 205=113 + 487+ 75=279+ 121 + 362=43+118+57 =193 + 7+123 =390+310+ 163=367+333+147=456 + 44 + 209=444+456+79=35 + 201 + 65 =232+168+ 225=16+834+ 84=546+154+14 =430 + 70+153=325+ 275+258=21

21、+ 279+54 =可编辑91 + 797 + 9=367+ 233+364=30 + 487+70 =75+525 + 213=120+ 580+96=445+455+81 =17 + 283 + 68 =165+ 235+302=86+814+5 =352 + 48 + 253=187+ 13+62=5+195+714 =7+393+148 =19+281 + 284=66+334+434 =198 + 502+259=177+ 223+374=199+201 + 429=57 + 243 + 455=436+ 64+462=25+375+341 =193 + 707+ 76=42+581

22、 + 58=81 + 272+19 =306 + 294+ 306=413+ 387+181 =593+307+ 97 =368 + 232+ 189=511+189+218=2+ 198+720 =4 + 475+ 96 =759+41+179=324+76+88 =183+17 + 264=475+ 25+47=90+128+10 =可编辑338 + 62+1 =113+ 87+496=112+288+ 287=365+135+ 351 =203+ 397+265=611 + 189+ 102=356 + 44+182=528+ 372+ 18=61+423+39 =11+477 + 89

23、 =12+288+ 66=209+ 191 + 99 =452 + 348+165=260+440+250=77+123+405 =177 + 323+ 36=285+ 15+319=324+76+553 =29+160 + 71 =20+ 180+ 655=119+81 + 507 =659 + 241 + 31 =106+494+142=82 + 818+22 =273 + 227+ 255=6+108+94 =22 + 378+143 =401+399+ 147=7+793+ 159=149+51 + 414 =209 + 91 + 254=18+582+233=585+ 115+ 221 =可编辑19+381 + 59 =364+