X-0.6X=0.56怎么算

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X-0.6X=0.56怎么算X-0.6X=0.56怎么算X-0.6X=0.56怎么算X-0.6X=0.56（1-0.6）X=0.560.4X=0.56X=1.40.56/0.4=1.4x-0.6x=0

X-0.6X=0.56怎么算
X-0.6X=0.56怎么算

X-0.6X=0.56怎么算
X-0.6X=0.56
（1-0.6）X=0.56
0.4X=0.56
X=1.4

0.56/0.4=1.4

x-0.6x=0.56
0.4x=0.56
x=0.56/0.4
x=1.4

看成1x-0.6x=0.56就是0.4x=0.56等于0.56/0.4=1.4

x-0.6x=3怎么算 x-0.6x=3 x*(1-0.6)=3 0.4x=3 x=3/0.4 x= 7.5 X的系数是1,系数相减轻得0.4X=3,解得X=15/2

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