1/4x+1/4x=2/5
问题描述:
1/4x+1/4x=2/5
答
(1/4+1/4)x=2/5
1/2x=2/5
x=2/5*2
x=4/5这个最完善啦
1/4x+1/4x=2/5
(1/4+1/4)x=2/5
1/2x=2/5
x=2/5*2
x=4/5这个最完善啦