x-5分之2x=45
问题描述:
x-5分之2x=45
答
x-5分之2x=45
(1-2/5)x=45
3/5x=45
x=45÷3/5
x=75
x-5分之2x=45
x-5分之2x=45
(1-2/5)x=45
3/5x=45
x=45÷3/5
x=75