6x-11=2.9-4x 5(2x-2)-6=6x-156x-11=2.9-4x 还有一个是5(2x-2)-6=6x-15
问题描述:
6x-11=2.9-4x 5(2x-2)-6=6x-15
6x-11=2.9-4x 还有一个是5(2x-2)-6=6x-15
答
6x-11=2.9-4x 5(2x-2)-6=6x-15
6x-11=2.9-4x 还有一个是5(2x-2)-6=6x-15