作业帮X-1/3X=28怎么解
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X-1/3X=28怎么解
X-1/3X=28怎么解
X-1/3X=28怎么解
X-1/3X=(1-1/3)X=(2/3)X=28
X=28/(2/3)=42
X=42
化简得 2/3X=28
2X=3*28=84
x=42
x-1/3x=28
1X-1/3X=28
(1-1/3)X=28
2/3X=28
2X=84
x=42
2/3x=28 x=42
……是1/(3X) 还是(1/3)X
前一个 X^2-28X+1/3=0求解
后一个 (2/3)X=28 X=42
x-1/3x=28
1X-1/3X=28
(1-1/3)X=28
2/3X=28
2X=84
x=42