九又五分之二沉四百二十五加四点二五除以六十分之一,等于几?要简便算法

2025-06-22 05:59:12
推荐回答(1个)
回答1:

(9+2/5) * 425 + 4.25 / (1/60)
=(9+2/5) * 425 + 4.25 * 60
=(9+2/5) * 425 + 4.25 * 60 * 100 / 100
=(9+2/5) * 425 + 425 * 0.6
=(9+2/5+0.6) * 425
=42500