0.5×0.6= 0.12×50= 5.8-0.8 ×5 =
0.004×7= 0.125×0.8= 6.552- 0.5=
10×0.27＝
0.99×2＝
4×0.06＝
6.8－6.8×0.5＝
8×0.125＝
0.4×0.3＝
9.89×10.9×0＝
13.8－5.9－4.1＝
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
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=
197+298= 3.6÷12= 1.25×80= 4.5×9+4.5=
0.8-0.35= 0.3×0.2= 0.8÷0.01= 0.7×0.7÷0.7×0.7=