x+2/3-1/2=17/18 解方程
问题描述:
x+2/3-1/2=17/18 解方程
答
两边同乘18. 得到18x+12-9=17,即18x=17-12+9,x=14/18=7/9
答
x+2/3-1/2=17/18
x+ 1/6 = 17/18
x = 17/18 - 1/6
x = 7/9