文档介绍：二年级下册数学口算题
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=
492= 89-6= 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=
730-470= 700-430= 450+340= 460+240= 840-760= 530-350= 600+250= 620+280= 720-640= 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+64= 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= 6400-2900= 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=
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+64= 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