(1一30%)x=2.4 怎么算
问题描述:
(1一30%)x=2.4 怎么算
答
(1一30%)x=2.4
0.7x=2.4
x=24/7
(1一30%)x=2.4 怎么算
(1一30%)x=2.4
0.7x=2.4
x=24/7