解方程X÷35%+13=53

问题描述:

解方程X÷35%+13=53

x/0.35=40∴x=14

X÷35%+13=53
x÷35%=40
x=40×100÷35
x=800/7

X÷35%+13=53
X÷35%=53-13
X÷35%=40
x=40×35%
x=14