1/5(0.6-x/2)-1/4≥x/2+2.1 [解不等式]
问题描述:
1/5(0.6-x/2)-1/4≥x/2+2.1 [解不等式]
答
1/5(0.6-x/2)-1/4≥x/2+2.1
0.2(0.6-0.5x)-0.25≥0.5x+2.1
0.12-0.1x-0.25≥0.5x+2.1
0.15x