x-0.75x=1.
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x-0.75x=1.x-0.75x=1.x-0.75x=1.x-0.75x=1.40.25x=1.4x=1.4/0.25x=5.6X=5.6x-0.75x=1.4100x-75x=14025x=140
x-0.75x=1.
x-0.75x=1.
x-0.75x=1.
x-0.75x=1.4
0.25x=1.4
x=1.4/0.25
x=5.6
X=5.6
x-0.75x=1.4
100x-75x=140
25x=140
x=140/25=28/5
5.6
我在求X-0.75X=100
5.6
x-0.75x=1.
(X+X)+(X-X)+(X*X)+(X/X)=100
2.6x-x-0.1x=0.75
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x-25%x=0.75
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