3×1.2= 0.8×1.25= 0×8.4= 30×4.2=
0.06×8= 0.83×0.4= 2.4×0.5= 0.93×0.5=
⑴0.2×0.4=
8.2+1.8=
100-35.22=
⑵2.5×0.4=
2.4×5=
0.22×4=
⑶0.9-0.52=
3.99×1=
0.1×3.52=
⑷8.7×(2.86+7.14)=
2.5×6.45×4=
4.5×12 0.8×0.26 0.65×0.13
3.14×0.8 0.49×5.3(保留两位小数) 2.5×0.44
23.2×0.923.2 15.6×3.23.2×15.6
1×0.360.36 3.6×5.252×0.36
6.1×10= 6.4+4= 2.8×0.5= 1-0.25=
0.37+0.63= 4.5+100= 0.05×40= 0.52=
0.2+0.8= 8.8+0.12= 8.8-1.2= 0.38×5= 0.9-0.09=
7.4-0.77= 1.2×5= 1.6-0.4= 0.35+0.55= 0.125×8=
3.5×4= 2.5×2= 1.6×0.5= 0.125×0.8=
0.06×0.8= 1.3×0.07= 0.31+0.69= 9-5.3-0.7=
3.2÷0.01= 2.2×9.9= 305-199=
2.05×4= 8×12.5%=