6*80%*(X+24)*110%=(6+0.6)*(80%+5%)X 49+0.009X*0.5=18+0.04X*0.5
问题描述:
6*80%*(X+24)*110%=(6+0.6)*(80%+5%)X 49+0.009X*0.5=18+0.04X*0.5
答
第一道题目:
6*0.8*1.1*(x+24)=6.6*0.85x
6.6*0.8(x+24)=6.6*0.85x
0.8(x+24)=0.85x
0.8x+19.2=0.85x
0.05x=19.2
x=384