2*5000/x=11000/(x+0.5)怎么解
问题描述:
2*5000/x=11000/(x+0.5)怎么解
答
2*5000/x=11000/(x+0.5)
10000/x=11000/(x+0.5)
10/x=11/(x+0.5)
11x=10x+5
x=5