x-0.7x=3.6 方程?
问题描述:
x-0.7x=3.6 方程?
答
x - 0.7x = 3.6
0.3x = 3.6
3x = 36
x = 12
x-0.7x=3.6 方程?
x - 0.7x = 3.6
0.3x = 3.6
3x = 36
x = 12