0.8×25=
0×4.23=
0.57+0.43=
0.02×500=
12.5×8 =
50×0.04 =
80×0.3 =
1.1×9=
0.43×2=
2.5×0.4=
2.8×0.25×4=
4.3×0.8+5.7×0.8=
①4.2×7.8+2.2×4.2
②9.5×101
③8×3.82×1.25
④0.125×72
⑤4.8×7.2-0.8×7.2
⑥4×3.75 ×0.25
积是一位小数:
积是两位小数
积是三位小数:
积是四位小数:
11.11×6666+7778×33.33