0.8X+120%X=8.8
问题描述:
0.8X+120%X=8.8
答
0.8X+120%X=8.8
0.8X+1.2X=8.8
2X=4.4
0.8X+120%X=8.8
0.8X+120%X=8.8
0.8X+1.2X=8.8
2X=4.4