用简便运算怎么计算10.1x7.9

用简便运算怎么计算10.1x7.9
2024-10-28 16:45:12
推荐回答(1个)
回答1:

用简便运算怎么计算10.1x7.9
10.1*7.9
=10*7.9+0.1*7.9
=79+0.79
=79.79