X×5⼀6=7⼀6×15.

2024-12-21 10:29:52
推荐回答(2个)
回答1:

(X×5)/6=(7×15)/6
X×5=7×15
X=7×15÷5=21

回答2:

5/6x=7/6×15
5x=7/6×15×6=105
x=105÷5=21