3/4x+1/4=1/2用方程怎么算?
问题描述:
3/4x+1/4=1/2用方程怎么算?
答
3/4x+1/4=1/2
3/4x=1/2-1/4
3/4x=1/4
x=1/4÷3/4
x=1/4×3/4
x=1/3