解方程100-4A=28
问题描述:
解方程100-4A=28
答
100 - 4A = 28
4A = 100 - 28
4A = 72
A = 18
解方程100-4A=28
100 - 4A = 28
4A = 100 - 28
4A = 72
A = 18