X除以3分之4X=4分之1 X等于?
我算的是3分之1,但验算好像不对
人气:475 ℃ 时间:2020-03-30 20:02:08
解答
x ÷ ( 4x/3 ) = x/4
x · 3/4x = x/4
3/4= x/4
3/4 · 4 =x
x=3
x除以4x/3 = x乘以3/4x
约掉x
= 3/4
得出 3/4 = x/4
左右两边同乘4
得x=3
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