X-80%X=40是怎样解的

问题描述:

X-80%X=40是怎样解的

X-80%X=40
0.2x=40
x=200

(1-80%)x=40
0.2x=40
x=40/0.2=200
给个采纳呗,谢啦

X-80%X=40
(1-80%)x=40
0.2x=40
x=40÷0.2
x=200

X-80%X=40
0.2x=40
x=200
望采纳,多谢!