3.8x减x=0.56怎么解
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3.8x减x=0.56怎么解3.8x减x=0.56怎么解3.8x减x=0.56怎么解3.8x-x=0562.8x=0.56x=0.56/2.8x=0.22.8x=0.56》》x=0.2提出同类项x(3
3.8x减x=0.56怎么解
3.8x减x=0.56怎么解
3.8x减x=0.56怎么解
3.8x-x=056
2.8x=0.56
x=0.56/2.8
x=0.2
2.8x=0.56》》x=0.2
提出同类项x
(3.8-1)x=0.56
x=0.2
x=0.2
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