练习1
| 740-430= | 630-260= | 490+210= | 00-2900= |
| 510+150= | 136+48= | 142-17= | 280+260= |
| 470+160= | 146-18= | 70-49= | 134+27= |
| 800-410= | 810-520= | 780-520= | 280+350= |
| 316+284= | 100+143= | 623+210= | 181-0= |
| 536+185= | 100-30= | 438+160= | 90+62= |
| 156+210= | 185-78= | 170+132= | 185-8= |
| 136+27= | 150+20= | 281+650= | 500+420= |
| 700-430= | 450+340= | 730-470= | 460+240= |
| 530-350= | 600+250= | 840-760= | 620+280= |
| 840-570= | 490+260= | 720-0= | 360+440= |
| 5300+1700= | 490+340= | 278-69= | 520+280= |
| 800+163= | 940-580= | 450+180= | 366+27= |
| 140-14= | 442+540= | 150+172= | 585+75= |
| 636+210= | 150+432= | 366+460= | 580-420= |
| 196-80= | 182-65= | 127+= | 330+280= |
| 143-28= | 224+157= | 881-18= | 349+170= |
| 180-74= | 117+43= | 336-19= | 441+60= |
| 650-390= | 570+260= | 960-390= | 170+460= |
| 630-450= | 760-190= | 460+270= | 850-570= |
练习2
| 800+194= | 120+80= | 00-2900= | 460-150= |
| 402+180= | 190-80= | 520+280= | 380-190= |
| 362+460= | 160+80= | 36+7= | 500-150= |
| 281+650= | 600+331= | 50+75= | 300-160= |
| 420+281= | 180+30= | 630-260= | 930-260= |
| 469+130= | 480+20= | 490+340= | 750-140= |
| 620+140= | 215+95= | 940-580= | 340-200= |
| 350+152= | 435+165= | 278-69= | 960-280= |
| 700+146= | 732+98= | 450+180= | 161+72= |
| 183+650= | 307+299= | 150+172= | 181+2= |
| 150+700= | 533+294= | 366+460= | 191-55= |
| 301+100= | 267+177= | 127+= | 124+63= |
| 370+125= | 2+157= | 881-18= | 111+73= |
| 542+440= | 254+152= | 336-19= | 129+49= |
| 270+120= | 131+192= | 960-390= | 162+71= |
| 150+70= | 175+256= | 460+270= | 380-120= |
| 140-50= | +57= | 287-170= | 58+113= |
| 150+80= | 101+99= | 420-220= | 58-13= |
| 150-80= | 206+197= | 340-180= | 68-18= |
| 740-130= | 243+1= | 0-100= | 59-14= |
练习37
| 41+14= | 390+480= | 12+58= | 170-120= | 81÷9= |
| 400+360= | 50+33= | 44+23= | 610-50= | 61+72= |
| 34-21= | 65+26= | 22+24= | 96-94= | 81+2= |
| 32+29= | 29+31= | 57-44= | 35-27= | 91-55= |
| 72÷8= | 70-37= | 13+72= | 28+35= | 24+63= |
| 38-12= | 1-0= | 32÷8= | 34-28= | 11+73= |
| 48+29= | 63÷9= | 29+33= | 80-53= | 29+49= |
| 29+31= | 8+73= | 51-21= | 58-29= | 62+71= |
| 48÷8= | 8+18= | 30+18= | 40-21= | 380-120= |
| 69+22= | 44+23= | 68-50= | 61+72= | 5×3= |
| 55-19= | 22+24= | 35-27= | 82-60= | 58-13= |
| 25+48= | 71-39= | 57+27= | 66-13= | 68-18= |
| 36÷6= | 91-85= | 36+24= | 80+17= | 59-14= |
| 95-65= | 30+18= | 29+20= | 28+44= | 39+85= |
| 56+47= | 35-19= | 78+14= | 32÷8= | 66-13= |
| 68-18= | 95-82= | 94-12= | 91-55= | 80+17= |
| 59-14= | 54+28= | 72-56= | 46-31= | 54÷9= |
| 65-40= | 16+50= | 37-25= | 81-47= | 34-21= |
| 49-30= | 78-34= | 15+27= | 65-46= | 7+45= |
练习38
| 85-16= | 11+18= | 19+67= | 11-9= | 45+26= | |||
| -6= | 17-0= | 42÷6= | 14+8= | 17-12= | |||
| 81÷9= | 00-2700= | 800-410= | 800-410= | 810-520= | |||
| 54-48= | 13-12= | 650-390= | 700-430= | 450+340= | |||
| 13-12= | 5-5= | 11+73= | 530-350= | 600+250= | |||
| 5-5= | 24+11= | 35－6= | 280+350= | 00-2900= | |||
| 24+11= | 0+21= | 63÷7= | 460+240= | 6300-4500= | |||
| 0+21= | 11-9= | 81÷9= | 620+280= | 19+49= | |||
| 11-9= | 14+8= | 730-470= | 840-760= | 66-13= | |||
| 14+8= | 730-470= | 840-760= | 49+38= | 80+17= | |||
| 9＋46= | 80－28= | 49+48= | ( )×6=54 | 45+26= | |||
| 33＋60= | 61－13= | 50+33= | ( )×4=36 | 17-12= | |||
| 15÷5= | 180－60= | 65+26= | 18÷9= | 22+24= | |||
| 72－40= | 170＋20= | 29+31= | 61＋27= | 57-44= | |||
| 65+26= | 81+2= | 22+24= | 7+45= | 35-27= | |||
| 29+31= | 91-55= | 57-44= | 62+71= | 94-12= | |||
| 48÷8= | 4+93= | 100×0= | 380-120= | 34-28= | |||
| 10÷2= | 76+77= | 8÷8= | 66+11= | 52-5= | |||
| 18÷3= | 27+61= | 25÷5= | 49+50= | 67-0= | |||
| 20÷5= | 5+63= | 3×4= | 32+28= | 55-19= | |||
练习39
| 19-1= | 11-9= | 4+19= | 54÷9= | 20-0= |
| 16+11= | 14+8= | 16+7= | 81÷9= | 7-7== |
| 7×5= | 17-3= | 66-13= | 16÷2= | 18-5= |
| 3×3= | 29+0= | 80+17= | 52+19= | 0+21= |
| 85-16= | 11+18= | 45+26= | 19+67= | 11-9= |
| -6= | 17-0= | 17-12= | 42÷6= | 14+8= |
| 71-18= | 92-18= | 2-2= | 28÷4= | 14+29= |
| 51-15= | 9+62= | 85-8= | 71-38= | 81-9= |
| 18÷6= | 16-3= | 49+38= | 00-2900= | 16+11= |
| 15÷5= | 18-10= | 24+7= | 520+280= | 13-12= |
| 12÷2= | 13-2= | 8+20= | 36+17= | 5-5= |
| 5÷1= | 13+13= | 9+7= | 5+75= | 24+11= |
| 8÷4= | 9+11= | 3+7= | 630-260= | 22-12= |
| 22-17= | 18-5= | 18+6= | 490+340= | 10+16= |
| 22-4= | 10+21= | 19+27= | 940-580= | 11-5= |
| 13-12= | 14+29= | 16+11= | 40-14= | 16-3= |
| 5-5= | 81-30= | 13-12= | 6×7= | 18-10= |
| 24+11= | 71-18= | 54-48= | 8×0= | 13-2= |
| 22-12= | 18-11= | 11+73= | 59+26= | 13+13= |
| 0+16= | 29+26= | 19+49= | 36+7= | 9+11= |
练习40
| 730-470= | 700-430= | 450+340= | 460+240= |
| 840-760= | 530-350= | 600+250= | 620+280= |
| 720-0= | 840-570= | 490+260= | 360+440= |
| 78-69= | 5300+1700= | 490+340= | 520+280= |
| 49÷7= | 16÷2= | 940-580= | 36+7= |
| 9×9= | 40-14= | 54÷9= | 5+75= |
| 16+7= | 16÷2= | 8÷8= | 80-2= |
| 27+= | 96-80= | 82-65= | 30+28= |
| 81-18= | 43-28= | 24+57= | 49+7= |
| 36-19= | 80-74= | 17+43= | 41+60= |
| 960-390= | 650-390= | 570+260= | 170+460= |
| 4600+2700= | 6300-4500= | 7600-1900= | 8500-5700= |
| 490+210= | 7400-4300= | 630-260= | 00-2900= |
| 42-7= | 51+15= | 36+48= | 28+26= |
| 70-49= | 470+160= | 46-18= | 34+27= |
| 280-520= | 800-410= | 810-520= | 280+350= |
| 7×8= | 6×7= | 81÷9= | 81-9= |
| 25÷5= | 8×0= | 100-30= | 9+62= |
| 42÷7= | 59+6= | 85-8= | 85-8= |
| 32÷4= | 36+7= | 50+20= | 72-9= |
练习41
| 7×8= | 81-9= | 6×7= | 81÷9= |
| 25÷5= | 9+62= | 8×0= | 100-30= |
| 42÷7= | 85-8= | 59+6= | 85-8= |
| 32÷4= | 72-9= | 36+7= | 50+20= |
| 6+7= | 80-2= | 16÷2= | 8÷8= |
| 27+= | 30+28= | 96-80= | 82-65= |
| 81-8= | 49+7= | 43-28= | 24+57= |
| 36-19= | 41+60= | 80-74= | 17+43= |
| 42-7= | 28+26= | 51+15= | 36+48= |
| 70-49= | 34+27= | 470+160= | 46-18= |
| 280-520= | 280+350= | 800-410= | 810-520= |
| 730-470= | 460+240= | 700-430= | 450+340= |
| 840-760= | 620+280= | 530-350= | 600+250= |
| 720-0= | 360+440= | 840-570= | 490+260= |
| 960-390= | 170+460= | 650-390= | 570+260= |
| 4600+2700= | 8500-5700= | 6300-4500= | 7600-1900= |
| 490+210= | 00-2900= | 7400-4300= | 630-260= |
| 78-69= | 520+280= | 5300+1700= | 490+340= |
| 49÷7= | 36+7= | 16÷2= | 940-580= |
| 9×9= | 5+75= | 40-4= | 54÷9= |
练习42
| 49+38= | 18÷6= | 16-3= | 0-290= | 86+11= |
| 240+70= | 15÷5= | 58-10= | 520+280= | 130-120= |
| 78+20= | 12÷2= | 130-80= | 36+7= | 95-5= |
| 54-48= | 24+11= | 110-10= | 8×1= | 130-20= |
| 11+73= | 22-12= | 68-11= | 59+6= | 13+13= |
| 19+49= | 0+16= | 29+26= | 36+7= | 9+11= |
| 66-13= | 7×5= | 13×3= | 16÷2= | 118-15= |
| 80+17= | 3×3= | 29+0= | 52+19= | 17+21= |
| 45+26= | 85-16= | 11+18= | 19+67= | 11-9= |
| 17-12= | -6= | 17-0= | 42÷6= | 14+8= |
| 11×2= | 71-18= | 110+730= | 8÷4= | 14+29= |
| 85-8= | 12×3= | 9+62= | 71-38= | 81-9= |
| 9+7= | 15÷1= | 13+13= | 5+75= | 24+11= |
| 2 3+7= | 8÷4= | 9+11= | 630-260= | 22-12= |
| 18+6= | 22-17= | 18-5= | 490+340= | 0+16= |
| 19+27= | 22-4= | 0+21= | 940-580= | 31-5= |
| 4+19= | 190-10= | 77-9= | 54÷9= | 13+69= |
| 16+7= | 16+11= | 14+8= | 81÷9= | 27-7== |
| 16+11= | 13-12= | 14+29= | 40-4= | 16-3= |
| 73-14= | 5-5= | 100-6= | 6×7= | 18-10= |
练习43
| 36÷6= | 80+17= | 51-21= | 59-14= | 140-30= |
| 8+18= | 45÷5= | 30+18= | 39+85= | 29+20= |
| 150-130= | 17-12= | 39+48= | 81÷9= | 12+58= |
| 49+72= | 42-12= | 50+33= | 61+72= | 44+23= |
| 34-21= | 96-94= | 65+26= | 81+2= | 22+24= |
| 17+25= | 35-27= | 29+31= | 91-55= | 57-44= |
| 72÷8= | 46+12= | 47-39= | 24+63= | 13+72= |
| 38-12= | 34-28= | 100-10= | 11+73= | 32÷8= |
| 5+63= | 32÷8= | 35-19= | 29+49= | 78+14= |
| 56+47= | 15+27= | 63÷9= | 66-13= | 29+33= |
| 68-18= | 58-29= | 33-26= | 80+17= | 51-21= |
| 59-14= | 40-13= | 8+18= | 54÷9= | 30+18= |
| 9×3= | 61+72= | 44+23= | 34-21= | 96-94= |
| 65+26= | 81+2= | 22+24= | 7+45= | 35-27= |
| 29+31= | 91-55= | 57-44= | 62+71= | 94-12= |
| 48÷8= | 4+93= | 100×0= | 380-120= | 34-28= |
| 100×1= | 11+73= | 32÷8= | 5×3= | 32÷4= |
| 55-19= | 19+49= | 78-34= | 56÷8= | 15+27= |
| 69-66= | 66-13= | 29+33= | 68-18= | 58-29= |
练习44
| 9×7= | 29+20= | 36÷6= | 17-12= | 24÷4= |
| 30÷5= | 12+58= | 36＋4= | 2-2= | 56÷8= |
| 7÷1= | 44+23= | 45÷5= | 16+54= | 63÷9= |
| 40÷8= | 22+24= | 46＋33= | 35-27= | 25＋23= |
| 41－29= | 57-44= | 72＋24= | 84+12= | 21＋15= |
| 56÷7= | 33+12= | 35－8= | 34-28= | 44－9= |
| 170＋20= | 29+31= | 61＋27= | 57-44= | 72－40= |
| 10÷5= | 17+79= | 60＋300= | 53+4= | 5×9= |
| 32÷8= | 1-0= | 21＋27= | 12+87= | 83－29= |
| 15÷3= | 55-19= | 5÷1= | 48+34= | 30÷6= |
| 93－8= | 69-66= | 38＋26= | 29+33= | 16÷8= |
| 4×2= | 32+37= | 12÷6= | 32+28= | 8×2= |
| 80－9= | 78+34= | 32÷4= | 15+27= | 21－7= |
| 28÷7= | 29+33= | 35－6= | 58-29= | 58＋32= |
| 9×6= | 51-21= | 63÷7= | 4-1= | 21÷3= |
| 55－20= | 30+18= | 81÷9= | 29+20= | 9×9= |
| 80－28= | 49+48= | ( )×6=30 | 12+58= | 9＋46= |
| 61－13= | 50+33= | ( )×4=20 | 44+23= | 33＋60= |
| 180－60= | 65+26= | 18÷9= | 22+24= | 15÷5= |
练习45
| 960-800= | 36÷6= | 61+72= | 11×5= | 0-290= |
| 430-280= | 360＋440= | 81+32= | 13×3= | 520+280= |
| 80-74= | 45÷5= | 91-55= | 85-16= | 36+7= |
| 51+15= | 46＋33= | 4+93= | -6= | 35+75= |
| 470+160= | 72＋24= | 11+73= | 14÷7= | 630-260= |
| 800-410= | 35－8= | 19+49= | 71-18= | 490+340= |
| 650-390= | 63÷7= | 77-12= | 40-26= | 40-14= |
| 6300-4500= | 81÷9= | 82-15= | 42-36= | 11×7= |
| 7500-4300= | ( )×6=30 | 96-94= | 8÷8= | 8×0= |
| 530+170= | ( )×4=20 | 35-27= | 25÷5= | 59+6= |
| 16÷2= | 18÷9= | 46+12= | 13×4= | 36+7= |
| 40-4= | 61＋27= | 34-28= | 52+19= | 16÷2= |
| 6×7= | 60＋300= | 32÷8= | 19+67= | 52+19= |
| 8×0= | 21＋27= | 15+27= | 42÷6= | 19+67= |
| 59+6= | 5÷1= | 58-29= | 8÷4= | 42÷6= |
| 36+7= | 38＋26= | 34-11= | 71-38= | 8÷4= |
| 16÷2= | 9×5= | 390-160= | 87-19= | 71-38= |
| 700-430= | 12÷6= | 66-13= | 80+15= | 940-580= |
| 530-350= | 32÷4= | 80+17= | 28÷7= | 54÷9= |
| 840-570= | 35－6= | 45÷5= | 10÷2= | 81÷9= |
练习46
| 7400-4300= | 630-260= | 490+210= | 00-2900= |
| 510+150= | 36+48= | 42-17= | 280+260= |
| 470+160= | 46-18= | 70-49= | 34+27= |
| 800-410= | 810-520= | 780-520= | 280+350= |
| 6×7= | 81÷9= | 7×8= | 81-9= |
| 100×0= | 100-30= | 25÷5= | 9+62= |
| 59+6= | 85-8= | 42÷7= | 85-8= |
| 36+7= | 50+20= | 32÷4= | 72-9= |
| 700-430= | 450+340= | 730-470= | 460+240= |
| 530-350= | 600+250= | 840-760= | 620+280= |
| 840-570= | 490+260= | 720-0= | 360+440= |
| 5300+1700= | 490+340= | 78-69= | 520+280= |
| 16÷2= | 940-580= | 49÷7= | 36+7= |
| 40-4= | 54÷9= | 9×9= | 5+75= |
| 16÷2= | 8÷8= | 6+7= | 80-2= |
| 96-80= | 82-65= | 27+= | 30+28= |
| 43-28= | 24+57= | 81-8= | 49+7= |
| 80-74= | 17+43= | 36-19= | 41+60= |
| 650-390= | 570+260= | 960-390= | 170+460= |
| 6300-4500= | 7600-1900= | 4600+2700= | 8500-5700= |
练习47
| 18÷6= | 16-3= | 00-2900= | 16+11= | 49+38= |
| 15÷5= | 18-10= | 520+280= | 130-120= | 240+70= |
| 2÷2= | 13-2= | 36+7= | 5-5= | 8+20= |
| 15÷1= | 13+13= | 50+75= | 240+110= | 19+27= |
| 8÷4= | 9+11= | 630-260= | 22-12= | 3+7= |
| 22-17= | 18-5= | 490+340= | 0+16= | 18+6= |
| 22-4= | 0+21= | 940-580= | 11-5= | 19+27= |
| 19-1= | 11-9= | 54÷9= | 180+270= | 24+19= |
| 16+11= | 14+8= | 81÷9= | 7-7== | 16+7= |
| 13-12= | 14+29= | 40-4= | 16-3= | 16+11= |
| 95-25= | 100-80= | 6×7= | 18-10= | 13-12= |
| 24+11= | 11-10= | 8×0= | 13-2= | 54-48= |
| 22-12= | 18-11= | 59+6= | 13+13= | 11+73= |
| 0+16= | 29+26= | 36+7= | 9+11= | 19+49= |
| 7×5= | 71-30= | 16÷2= | 18-5= | 66-13= |
| 3×3= | 29+18= | 52+19= | 30+21= | 180+170= |
| 85-16= | 11+18= | 19+67= | 11-9= | 45+26= |
| -6= | 17-0= | 42÷6= | 14+8= | 17-12= |
| 71-18= | 92-17= | 8÷4= | 14+29= | 12-5= |
| 31-14= | 19+62= | 71-38= | 81-39= | 85-48= |
练习48
| 41+14= | 390+480= | 12+58= | 170-120= | 81÷9= |
| 400+360= | 50+33= | 44+23= | 610-50= | 61+72= |
| 34-21= | 65+26= | 22+24= | 96-94= | 81+2= |
| 32+29= | 29+31= | 57-44= | 35-27= | 91-55= |
| 72÷8= | 70-37= | 13+72= | 28+35= | 24+63= |
| 38-12= | 1-0= | 32÷8= | 34-28= | 11+73= |
| 48+29= | 63÷9= | 29+33= | 80-53= | 29+49= |
| 29+31= | 8+73= | 51-21= | 58-29= | 62+71= |
| 48÷8= | 8+18= | 30+18= | 40-21= | 380-120= |
| 69+22= | 44+23= | 68-50= | 61+72= | 5×3= |
| 55-19= | 22+24= | 35-27= | 82-60= | 58-13= |
| 25+48= | 71-39= | 57+27= | 66-13= | 68-18= |
| 36÷6= | 91-85= | 36+24= | 80+17= | 59-14= |
| 95-65= | 30+18= | 29+20= | 28+44= | 39+85= |
| 56+47= | 35-19= | 78+14= | 32÷8= | 66-13= |
| 68-18= | 95-82= | 94-12= | 91-55= | 80+17= |
| 59-14= | 54+28= | 72-56= | 46-31= | 54÷9= |
| 65-40= | 16+50= | 37-25= | 81-47= | 34-21= |
| 49-30= | 78-34= | 15+27= | 65-46= | 7+45= |
练习49
| 16+11= | 14+8= | 81÷9= | 7-7== | 16+7= |
| 13-12= | 14+29= | 40-4= | 16-3= | 16+11= |
| 95-25= | 100-80= | 6×7= | 18-10= | 13-12= |
| 24+11= | 11-10= | 8×0= | 13-2= | 54-48= |
| 65+26= | 22+24= | 18÷9= | 7400-4300= | 00-2900= |
| 29+31= | 57-44= | 61＋27= | 510+150= | 280+260= |
| 51-21= | 95-82= | 7+45= | 470+160= | 34+27= |
| 30+18= | 54+28= | 62+71= | 800-410= | 280+350= |
| 22-17= | 18-5= | 490+340= | 0+16= | 18+6= |
| 22-4= | 0+21= | 940-580= | 11-5= | 19+27= |
| 19-1= | 11-9= | 54÷9= | 180+270= | 24+19= |
| 16+11= | 14+8= | 81÷9= | 7-7== | 16+7= |
| 13-12= | 14+29= | 40-4= | 16-3= | 16+11= |
| 29+31= | 91-55= | 57-44= | 62+71= | 94-12= |
| 48÷8= | 4+93= | 100×0= | 380-120= | 34-28= |
| 10÷2= | 76+77= | 8÷8= | 66+11= | 52-5= |
| 18÷3= | 27+61= | 25÷5= | 49+50= | 67-0= |
| 49+38= | 18÷6= | 16-3= | 0-290= | 86+11= |
| 240+70= | 15÷5= | 58-10= | 520+280= | 130-120= |
| 78+20= | 12÷2= | 130-80= | 36+7= | 95-5= |
练习50
| 100×0= | 100-30= | 25÷5= | 9+62= |
| 59+6= | 85-8= | 42÷7= | 85-8= |
| 36+7= | 50+20= | 32÷4= | 72-9= |
| 700-430= | 450+340= | 730-470= | 460+240= |
| 530-350= | 600+250= | 840-760= | 620+280= |
| 840-570= | 490+260= | 720-0= | 360+440= |
| 5300+1700= | 490+340= | 78-69= | 520+280= |
| 16÷2= | 940-580= | 49÷7= | 36+7= |
| 40-4= | 54÷9= | 9×9= | 5+75= |
| 16÷2= | 8÷8= | 6+7= | 80-2= |
| 96-80= | 82-65= | 27+= | 30+28= |
| 43-28= | 24+57= | 81-8= | 49+7= |
| 80-74= | 17+43= | 36-19= | 41+60= |
| 650-390= | 570+260= | 960-390= | 170+460= |
| 6300-4500= | 7600-1900= | 4600+2700= | 8500-5700= |
| 7400-4300= | 630-260= | 490+210= | 00-2900= |
| 510+150= | 36+48= | 42-17= | 280+260= |
| 470+160= | 46-18= | 70-49= | 34+27= |
| 800-410= | 810-520= | 780-520= | 280+350= |
| 6×7= | 81÷9= | 7×8= | 81-9= |
练习51
| 450+340= | 730-470= | 460+240= | 700-430= |
| 600+250= | 840-760= | 620+280= | 530-350= |
| 490+260= | 720-0= | 360+440= | 840-570= |
| 490+340= | 78-69= | 520+280= | 5300+1700= |
| 940-580= | 49÷7= | 36+7= | 16÷2= |
| 54÷9= | 9×9= | 5+75= | 40-4= |
| 8÷8= | 6+7= | 80-2= | 16÷2= |
| 82-65= | 27+= | 30+28= | 96-80= |
| 24+57= | 81-8= | 49+7= | 43-28= |
| 17+43= | 36-19= | 41+60= | 80-74= |
| 570+260= | 960-390= | 170+460= | 650-390= |
| 7600-1900= | 4600+2700= | 8500-5700= | 6300-4500= |
| 630-260= | 490+210= | 00-2900= | 7400-4300= |
| 36+48= | 42-17= | 280+260= | 510+150= |
| 46-18= | 70-49= | 34+27= | 470+160= |
| 810-520= | 780-520= | 280+350= | 800-410= |
| 81÷9= | 7×8= | 81-9= | 6×7= |
| 100-30= | 25÷5= | 9+62= | 100×0= |
| 85-8= | 42÷7= | 85-8= | 59+6= |
| 50+20= | 32÷4= | 72-9= | 36+7= |
练习52
| 41+14= | 390+480= | 12+58= | 170-120= | 81÷9= |
| 400+360= | 50+33= | 44+23= | 610-50= | 61+72= |
| 34-21= | 65+26= | 22+24= | 96-94= | 81+2= |
| 32+29= | 29+31= | 57-44= | 35-27= | 91-55= |
| 72÷8= | 70-37= | 13+72= | 28+35= | 24+63= |
| 38-12= | 1-0= | 32÷8= | 34-28= | 11+73= |
| 48+29= | 63÷9= | 29+33= | 80-53= | 29+49= |
| 29+31= | 8+73= | 51-21= | 58-29= | 62+71= |
| 48÷8= | 8+18= | 30+18= | 40-21= | 380-120= |
| 69+22= | 44+23= | 68-50= | 61+72= | 5×3= |
| 55-19= | 22+24= | 35-27= | 82-60= | 58-13= |
| 25+48= | 71-39= | 57+27= | 66-13= | 68-18= |
| 36÷6= | 91-85= | 36+24= | 80+17= | 59-14= |
| 95-65= | 30+18= | 29+20= | 28+44= | 39+85= |
| 56+47= | 35-19= | 78+14= | 32÷8= | 66-13= |
| 68-18= | 95-82= | 94-12= | 91-55= | 80+17= |
| 59-14= | 54+28= | 72-56= | 46-31= | 54÷9= |
| 65-40= | 16+50= | 37-25= | 81-47= | 34-21= |
| 49-30= | 78-34= | 15+27= | 65-46= | 7+45= |
练习53
| 49÷7= | 16÷2= | 940-580= | 36+7= |
| 9×9= | 40-14= | 54÷9= | 5+75= |
| 16+7= | 16÷2= | 8÷8= | 80-2= |
| 27+= | 96-80= | 82-65= | 30+28= |
| 81-18= | 43-28= | 24+57= | 49+7= |
| 36-19= | 80-74= | 17+43= | 41+60= |
| 960-390= | 650-390= | 570+260= | 170+460= |
| 4600+2700= | 6300-4500= | 7600-1900= | 8500-5700= |
| 490+210= | 7400-4300= | 630-260= | 00-2900= |
| 42-7= | 51+15= | 36+48= | 28+26= |
| 70-49= | 470+160= | 46-18= | 34+27= |
| 280-520= | 800-410= | 810-520= | 280+350= |
| 7×8= | 6×7= | 81÷9= | 81-9= |
| 25÷5= | 8×0= | 100-30= | 9+62= |
| 42÷7= | 59+6= | 85-8= | 85-8= |
| 32÷4= | 36+7= | 50+20= | 72-9= |
| 730-470= | 700-430= | 450+340= | 460+240= |
| 840-760= | 530-350= | 600+250= | 620+280= |
| 720-0= | 840-570= | 490+260= | 360+440= |
| 78-69= | 5300+1700= | 490+340= | 520+280= |
练习54
| 96-80= | 19+49= | 11+18= | 45+26= | 00-2900= |
| 43-28= | 17-12= | 17-0= | 17-12= | 6300-3500= |
| 80-74= | 2-2= | 0-270= | 810-520= | 66-13= |
| 51+15= | 28÷7= | 13-12= | 450+340= | 80+17= |
| 470+160= | 9×6= | 5-5= | 600+250= | 45+26= |
| 800-410= | 55－20= | 24+11= | 35+17= | 17-12= |
| 650-390= | 80－28= | 100+21= | 18+19= | 2-2= |
| 630-450= | 61－13= | 11-9= | 19+49= | 85-8= |
| 740-430= | 66-13= | 14+8= | 66-13= | 49+38= |
| 530+170= | 80+17= | 730-470= | 80+17= | 24+7= |
| 16÷2= | 45÷5= | 80－28= | 45+26= | 8+20= |
| 40-4= | 17-12= | 61－13= | 17-12= | 9+7= |
| 6×7= | 16-3= | 180－60= | 22+24= | 3+7= |
| 8×0= | 18-10= | 170＋20= | 57-44= | 18+6= |
| 59+6= | 13-2= | 81+2= | 35-27= | 19+27= |
| 36+7= | 13+13= | 91-55= | 94-12= | 16+11= |
| 16÷2= | 29+0= | 4+93= | 34-28= | 13-12= |
| 700-430= | 11+18= | 76+77= | 52-5= | 54-48= |
| 530-350= | 17-0= | 27+61= | 67-0= | 11+73= |
| 840-570= | 8×9= | 5+63= | 55-19= | 19+49= |
练习55
| 730-470= | 460+240= | 54÷9= | 19-1= | 11-9= |
| 840-760= | 620+280= | 81÷9= | 16+11= | 14+8= |
| 720-0= | 360+440= | 16÷2= | 7×5= | 7-3= |
| 78-69= | 520+280= | 52+19= | 3×3= | 29+0= |
| 49÷7= | 36+7= | 19+67= | 85-16= | 11+18= |
| 9×9= | 5+75= | 42÷6= | -6= | 17-0= |
| 6+7= | 80-2= | 28÷4= | 71-18= | 92-18= |
| 27+= | 30+28= | 71-38= | 51-15= | 9+62= |
| 81-8= | 49+7= | 0-290= | 18÷6= | 16-3= |
| 36-19= | 41+60= | 520+280= | 15÷5= | 18-10= |
| 960-390= | 170+460= | 36+7= | 2÷2= | 13-2= |
| 4600+2700= | 85-57= | 5+75= | 5÷1= | 13+13= |
| 490+210= | 440-120= | 630-260= | 8÷4= | 9+11= |
| 42-7= | 28+26= | 490+340= | 22-17= | 18-5= |
| 70-49= | 34+27= | 940-580= | 22-4= | 0+21= |
| 280-520= | 280+350= | 40-4= | 13-12= | 14+29= |
| 7×8= | 81-9= | 6×7= | 5-5= | 81-30= |
| 25÷5= | 9+62= | 8×0= | 24+11= | 71-18= |
| 42÷7= | 85-8= | 59+26= | 22-12= | 18-11= |
| 32÷4= | 72-9= | 36+7= | 20+16= | 29+26= |
练习56
| 82-65= | 16+11= | 7×5= | 34-21= | 29+20= |
| 24+57= | 13-12= | 3×3= | 7+45= | 12+58= |
| 17+43= | 5-5= | 85-16= | 62+71= | 44+23= |
| 36+48= | 24+11= | -6= | 380-120= | 22+24= |
| 46-18= | 22-12= | 14÷7= | 5×3= | 57-44= |
| 810-520= | 0+16= | 71-18= | 56÷8= | 33+12= |
| 450+340= | 11-5= | 80+15= | 68-18= | 32+37= |
| 600+250= | 100-0= | 28÷7= | 59-14= | 78+34= |
| 490+260= | 7-7= | 10÷2= | 39+85= | 29+33= |
| 570+260= | 16-3= | 40-26= | 81÷9= | 51-21= |
| 7600-1900= | 18-10= | 42-36= | 61+72= | 30+18= |
| 630-260= | 13-2= | 8÷8= | 81+2= | 49+48= |
| 490+340= | 13+13= | 25÷5= | 91-55= | 50+33= |
| 940-580= | 9+11= | 3×4= | 24+63= | 65+26= |
| 54÷9= | 18-5= | 52+19= | 11+73= | 29+31= |
| 81÷9= | 0+21= | 19+67= | 29+49= | 17+79= |
| 100-30= | 11-9= | 42÷6= | 66-13= | 100-0= |
| 85-8= | 14+8= | 8÷4= | 80+17= | 55-19= |
| 50+20= | 14+29= | 71-38= | 54÷9= | 69-66= |
| 8÷8= | 81-9= | 32÷4= | 15+27= | 58-29= |
练习57
1) 1000-600= 2) 440-40= 3) 43+17= 4) 150-80=
5) 20+90= 6) 400+80= 7) 120-50= 8) 18÷4=
9) 16÷8= 10) 6×7= 11) 73-38= 12) 18÷4=
13) 85-18= 14) 9+65= 15) 70+80= 16) 46-8=
17) 40+70= 18) 63÷9= 19) 6×7= 20) 8+9=
21) 740-40= 22) 600-100= 23) 200+220= 24) 86-60=
25) 30+90= 26) 8×3= 27) 16÷8= 28) 48+52=
29) 35÷7= 30) 15-9= 31) 45÷9= 32) 700+20=
33) 620-600= 34) 720-700= 35) ÷8= 36) 5×3=
37) 140-80= 38) 700+20= 39) 4×7= 40) 63÷9=
41) 200+400= 42) 45+26= 43) 6+7= 44) 43+9=
45) 170-90= 46) 620-600= 47) 8+9= 48) 7×7=
49) 200+90= 50) 3×9= 51) 150-50= 52) 170-90=
53) 150-50= 54) 53-7= 55) 20+90= 56) 40+90=
57) 34+26= 58) 43+17= 59) 81-9= 60) 400+80=
61) 7×6= 62) 170-90= 63) 42÷7= ) 59-18=
65) 160-80= 66) 50+70= 67) 7×6= 68) 34+26=
69) 8+9= 70) 15-9= 71) 28÷4= 72) 40+800=
73) 72÷8= 74) 400+80= 75) 20+90= 76) 52+19=
77) 840-40= 78) 700+20= 79) 57+43= 80) 300+80=
81) 3×9= 82) 150-80= 83) 40+800= 84) 63-7=
85) 400+80= 86) 57+43= 87) 200+90= 88) 8×3=
) 15-9= 90) 70+80= 91) 9×8= 92) 200+220=
93) 5×3= 94) 53-7= 95) 200+220= 96) 58+7=
97) 170-90= 98) 20+90= 99) 54÷6= 100) 840-40=
小学数学二年级下册口算题
练习58
| 41+14= | 390+480= | 12+58= | 170-120= | 81÷9= |
| 400+360= | 50+33= | 44+23= | 610-50= | 61+72= |
| 34-21= | 65+26= | 22+24= | 96-94= | 81+2= |
| 32+29= | 29+31= | 57-44= | 35-27= | 91-55= |
| 72÷8= | 70-37= | 13+72= | 28+35= | 24+63= |
| 38-12= | 1-0= | 32÷8= | 34-28= | 11+73= |
| 48+29= | 63÷9= | 29+33= | 80-53= | 29+49= |
| 29+31= | 8+73= | 51-21= | 58-29= | 62+71= |
| 48÷8= | 8+18= | 30+18= | 40-21= | 380-120= |
| 69+22= | 44+23= | 68-50= | 61+72= | 5×3= |
| 55-19= | 22+24= | 35-27= | 82-60= | 58-13= |
| 25+48= | 71-39= | 57+27= | 66-13= | 68-18= |
| 36÷6= | 91-85= | 36+24= | 80+17= | 59-14= |
| 95-65= | 30+18= | 29+20= | 28+44= | 39+85= |
| 56+47= | 35-19= | 78+14= | 32÷8= | 66-13= |
| 68-18= | 95-82= | 94-12= | 91-55= | 80+17= |
| 59-14= | 54+28= | 72-56= | 46-31= | 54÷9= |
| 65-40= | 16+50= | 37-25= | 81-47= | 34-21= |
| 49-30= | 78-34= | 15+27= | 65-46= | 7+45= |
练习59
| 19-1= | 11-9= | 4+19= | 54÷9= | 20-0= |
| 16+11= | 14+8= | 16+7= | 81÷9= | 7-7== |
| 7×5= | 17-3= | 66-13= | 16÷2= | 18-5= |
| 3×3= | 29+0= | 80+17= | 52+19= | 0+21= |
| 85-16= | 11+18= | 45+26= | 19+67= | 11-9= |
| -6= | 17-0= | 17-12= | 42÷6= | 14+8= |
| 71-18= | 92-18= | 2-2= | 28÷4= | 14+29= |
| 51-15= | 9+62= | 85-8= | 71-38= | 81-9= |
| 18÷6= | 16-3= | 49+38= | 00-2900= | 16+11= |
| 15÷5= | 18-10= | 24+7= | 520+280= | 13-12= |
| 12÷2= | 13-2= | 8+20= | 36+17= | 5-5= |
| 5÷1= | 13+13= | 9+7= | 5+75= | 24+11= |
| 8÷4= | 9+11= | 3+7= | 630-260= | 22-12= |
| 22-17= | 18-5= | 18+6= | 490+340= | 10+16= |
| 22-4= | 10+21= | 19+27= | 940-580= | 11-5= |
| 13-12= | 14+29= | 16+11= | 40-14= | 16-3= |
| 5-5= | 81-30= | 13-12= | 6×7= | 18-10= |
| 24+11= | 71-18= | 54-48= | 8×0= | 13-2= |
| 22-12= | 18-11= | 11+73= | 59+26= | 13+13= |
| 0+16= | 29+26= | 19+49= | 36+7= | 9+11= |
