问题 解答题
计算我最棒.
0.4×0.8=
0.4×0.4=4.2×10=
0.07×0.8=9.2×0.01=0.83×100=
0.5×0.02=10.12×0.2=
答案

0.4×0.8=0.32,0.4×0.4=0.16,4.2×10=42,
0.07×0.8=0.056,9.2×0.01=0.0920.83×100=83,
0.5×0.02=0.01,10.12×0.2=2.024.

问答题
单项选择题 案例分析题