5.25×1.8+55.2×0.82的简便计算是什么?

2024-11-29 23:13:58
推荐回答(1个)
回答1:

5.25×1.8+52.5×0.82
=5.25×1.8+5.25×8.2
=5.25×(1.8+8.2)
=5.25×10
=52.5