4.5加5.5乘0.42列竖式

2024-11-26 22:56:23
推荐回答(1个)
回答1:

4.5+5.5*0.42
=4.5+5.5*0.6*0.7
=4.5+3.3*0.7
=4.5+2.31
=6.81