1.7x+0.5x=39.6
问题描述:
1.7x+0.5x=39.6
答
1.7x+0.5x=39.6
2.2X=39.6
x=18
1.7x+0.5x=39.6
1.7x+0.5x=39.6
2.2X=39.6
x=18