解答过程如下所示
解:解方程, 此方程的解为x = 3/4,【即x = 0.75】
x - (2/8 + 1/4) = 1/4
x - (1/4 + 1/4)= 1/4
x - 2/4 = 1/4
x = 1/4 + 2/4
x = (1+2)/4
x = 3/4
∴x = 0.75
答:此方程的解为x = 3/4,【即x = 0.75】
x-(2/8+1/4)=1/4
解:x-1/2=1/4 ——先算括号里面的
x=1/4+1/2 ——被减数=差+减数
x=3/4
x=1/4十2/4=3/4