x⼀(1-40%)=3.6

2025-02-23 15:27:18
推荐回答(2个)
回答1:

x/(1-40%)=3.6
解: x/60%=3.6
x=3.6*60%
x=5.16

回答2:

x÷(1-40%)=3.6=x÷60%=3.6x=3.6×0.6=2.16