苏教版四年级下册数学用简便方法计算

苏教版四年级下册数学用简便方法计算136×81-126×81= 29×25×8= 207+(513+93)= 540÷5÷12=504+11+96+189= 54+325+575= 96×31-96= 25×45×4=50×31-50= 183×37-103×37= 187+118+282= 26×39+34×39=71×25×4= 120÷4÷15= 811-(511+156)= 200÷25÷2=16+436+364+34= 880÷5÷4= 709+932-532= 262+142+358=49+52+348= 61×62-62= 810÷5÷6= 8×88×125=2×79×5= 25×97×4= 35×103= 61×83-83=163×17-143×17= 538+14+362= 93×71-93= 23+39+11+677=189×50-169×50= 2×29×25= 5×41×18= 300÷5÷12=98+86+814= 40×68+10×68= 89×93+93= 103+419+197=72×32+128×32= 125×9×8= 12×77×5= 260÷4÷5=102×43= 270÷6÷5= 101×69= 89×25×2=791-(741+10)= 8×81×125= 59×72+72= 94+171+206+229=52×98= 210÷6÷5= 3×25×4= 76×96+14×96=40×51-40= 943-474-226= 594-(153+94)= 71×22-22=18×83+82×83= 90×31-90= 19×45+45= 420÷2÷35=68+283+12+417= 409+325-245= 124+674+126+76= 158×99-68×99=4×44×25= 365+47+53+35= 22×83+178×83= 27×4×5=128×38+172×38= 862+804-724= 4×68×25= 893-(813+31)=791-314-386= 41×125×8= 132+979-52= 102×76=4×71×25= 97×69= 729-68-32= 60×20-30×20=4×23×25= 57×8×125= 200÷4÷5= 525+932-225=57×57+43×57= 469-86-214= 125×85×8= 25×61×4=85×71-85= 554+24+146+46= 37×98= 166×56+134×56=345+92+255+208= 162+96+238+404= 105+367+195= 63+51+349+37=757+(401+443)= 162+369+131+138= 33×2×15= 112+289+88=182+(18+880)= 188+97+612= 372+145+328+155= 87×8×125=905+(780+295)= 449-(379+17)= 89×5×16= 484-386-14=511+13+187= 102×24= 97×98= 896+845-806=77×4×25= 55+389+25= 147+(222+153)= 37×29+37=39+386+14= 87×15×2= 89×18×5= 54×103=134×99-64×99= 25×98= 377+(23+965)= 25+193+45+307=13×4×25= 633-344-156= 57×51+143×51= 4×21×15=15×11×2= 283+(717+842)= 56×4×25= 346+113+154=77×25×4= 59×96+96= 39+336+161= 212+293+88+407=125×25×8= 168+71+19+332= 194×10+76×10= 84×19+84=61×8×125= 914-(314+201)= 322-37-43= 16×79+16=487+54+346= 578+171+29= 4×81×5= 289+58+411+142=141×14-131×14= 344+23+77+56= 49×47+47= 71×59+71=191+571+229= 785-374-26= 144-(89+44)= 3×4×25=618-29-71= 78+83+717+12= 25×73×4= 17×45×2=21×59+21= 475+163+225= 57×16×5= 5×43×12=61×65-65= 74×101= 69×33+33= 106+72+128=87×125×8= 375+(525+54)= 21×12×5= 240÷4÷15=631-131-169= 728-(264+128)= 645+432-342= 786+538-138=10×92+30×92= 4×27×15= 436+(470+64)= 155+803-115=851+231-151= 360+(640+255)= 688-(231+188)= 471+617-17=27×125×8= 432+54+346= 950-(795+50)= 12×93×5=545+(455+266)= 284+13+416= 96×29+96= 669+(131+323)=675+41+259+25= 93×30-63×30= 809-522-278= 21×90-90=23+191+709+77= 67+26+233+64= 175×41-125×41= 8×83×125=158×75-58×75= 863-(263+295)= 61×60-60= 585+104+96+215=747+28+53+42= 775-215-185= 53×5×2= 58+653+142=545+614-544= 126+465+174= 623-(563+33)= 150×53-90×53=

参考答案 136×81-126×81=810 29×25×8=5800 207+(513+93)=813 540÷5÷12=9504+11+96+189=800 54+325+575=954 96×31-96=2880 25×45×4=450050×31-50=1500 183×37-103×37=2960 187+118+282=587 26×39+34×39=234071×25×4=7100 120÷4÷15=2 811-(511+156)=144 200÷25÷2=416+436+364+34=850 880÷5÷4=44 709+932-532=1109 262+142+358=76249+52+348=449 61×62-62=3720 810÷5÷6=27 8×88×125=880002×79×5=790 25×97×4=9700 35×103=3605 61×83-83=4980163×17-143×17=340 538+14+362=914 93×71-93=6510 23+39+11+677=750189×50-169×50=1000 2×29×25=1450 5×41×18=3690 300÷5÷12=598+86+814=998 40×68+10×68=3400 89×93+93=8370 103+419+197=71972×32+128×32=6400 125×9×8=9000 12×77×5=4620 260÷4÷5=13102×43=4386 270÷6÷5=9 101×69=6969 89×25×2=4450791-(741+10)=40 8×81×125=81000 59×72+72=4320 94+171+206+229=70052×98=5096 210÷6÷5=7 3×25×4=300 76×96+14×96=864040×51-40=2000 943-474-226=243 594-(153+94)=347 71×22-22=154018×83+82×83=8300 90×31-90=2700 19×45+45=900 420÷2÷35=668+283+12+417=780 409+325-245=489 124+674+126+76=1000 158×99-68×99=89104×44×25=4400 365+47+53+35=500 22×83+178×83=16600 27×4×5=540128×38+172×38=11400 862+804-724=942 4×68×25=6800 893-(813+31)=49791-314-386=91 41×125×8=41000 132+979-52=1059 102×76=77524×71×25=7100 97×69=6693 729-68-32=629 60×20-30×20=6004×23×25=2300 57×8×125=57000 200÷4÷5=10 525+932-225=123257×57+43×57=5700 469-86-214=169 125×85×8=85000 25×61×4=610085×71-85=5950 554+24+146+46=770 37×98=3626 166×56+134×56=16800345+92+255+208=900 162+96+238+404=900 105+367+195=667 63+51+349+37=500757+(401+443)=1601 162+369+131+138=800 33×2×15=990 112+289+88=489182+(18+880)=1080 188+97+612=897 372+145+328+155=1000 87×8×125=87000905+(780+295)=1980 449-(379+17)=53 89×5×16=7120 484-386-14=84511+13+187=711 102×24=2448 97×98=9506 896+845-806=93577×4×25=7700 55+389+25=469 147+(222+153)=522 37×29+37=111039+386+14=439 87×15×2=2610 89×18×5=8010 54×103=5562134×99-64×99=6930 25×98=2450 377+(23+965)=1365 25+193+45+307=57013×4×25=1300 633-344-156=133 57×51+143×51=10200 4×21×15=126015×11×2=330 283+(717+842)=1842 56×4×25=5600 346+113+154=61377×25×4=7700 59×96+96=5760 39+336+161=536 212+293+88+407=1000125×25×8=25000 168+71+19+332=590 194×10+76×10=2700 84×19+84=168061×8×125=61000 914-(314+201)=399 322-37-43=242 16×79+16=1280487+54+346=887 578+171+29=778 4×81×5=1620 289+58+411+142=900141×14-131×14=140 344+23+77+56=500 49×47+47=2350 71×59+71=4260191+571+229=991 785-374-26=385 144-(89+44)=11 3×4×25=300618-29-71=518 78+83+717+12=890 25×73×4=7300 17×45×2=153021×59+21=1260 475+163+225=863 57×16×5=4560 5×43×12=258061×65-65=3900 74×101=7474 69×33+33=2310 106+72+128=30687×125×8=87000 375+(525+54)=954 21×12×5=1260 240÷4÷15=4631-131-169=331 728-(264+128)=336 645+432-342=735 786+538-138=118610×92+30×92=3680 4×27×15=1620 436+(470+64)=970 155+803-115=843851+231-151=931 360+(640+255)=1255 688-(231+188)=269 471+617-17=107127×125×8=27000 432+54+346=832 950-(795+50)=105 12×93×5=5580545+(455+266)=1266 284+13+416=713 96×29+96=2880 669+(131+323)=1123675+41+259+25=1000 93×30-63×30=900 809