1.2.6+2X=3.62.4(X-2.2)/3=383.9X+53=4X+68.5
问题描述:
1.2.6+2X=3.6
2.4(X-2.2)/3=38
3.9X+53=4X+68.5
答
1.2.6+2X=3.6
2.4(X-2.2)/3=38
3.9X+53=4X+68.5