75 92-(45.92-28.5)简便计算方法?

2025-04-06 00:16:07
推荐回答(1个)
回答1:

75.92-(45.92-28.5)简便计算方法:

75.92-(45.92-28.5)
=75.92-45.92+28.5
=30+28.5
=58.5