4.27除以0.7乘以1.3的简便算法

2025-04-04 09:19:20
推荐回答(1个)
回答1:

4.27除以0.7乘以1.3
=42.7除以7乘以1.3
=6.1乘以1.3
=(6+0.1)乘以1.3
=7.8+0.13
=7.93