3/1:(5x-1)=5/3:0.9
问题描述:
3/1:(5x-1)=5/3:0.9
答
3/1:(5x-1)=5/3:0.9
化简:3:(5x-1)=5/3:0.9
2.7=25/3x-5/3
81/30+50/30=250/30x
131/30=250/30x
x=131/250