1/x+1/1.5x=60 怎么解
问题描述:
1/x+1/1.5x=60 怎么解
答
1/x+1/1.5x=60
==> 1/x+1/(3/2)x=60
==> 1/x+2/3x=60
==> 5/3x=60
==> x=1/36
答
同*3x
变为3+2=180x
x=1/36
答
1/x+1/1.5x=60
两边同乘1.5x,得
1.5+1=90x
90x=2.5
x=2.5÷90
x=1/36