40+40%x=60(要过程)

问题描述:

40+40%x=60(要过程)

40%x=20
x=50

40+40%x=60
40%x=60-40
40%x=20
x=20/40%=20/(40/100)
x=20/(40/100)
x=20x100/40
x=50

40+40%x=60
40%x=60-40
40%x=20
x=20÷40%
x=50