x减括号八分之三减四分之一括号等于七分之五解方程?

2025-04-10 09:11:07
推荐回答(1个)
回答1:

x-(3/8-1/4)=5/7
x-1/8=5/7
x =5/7+1/8=40/56+7/56=47/56