解：x-1/4x=3/83/4x=3/8x=3/8÷3/4x=1/2
解方程：X－1/4X=3/8 解：X－1/4X=3/8 3/4x=3/8 x=3/8*4/3 x=1/2
解方程：x-1/4x=3/83/4x=3/8x=1/2
