X-0.48X=0.78怎么解
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X-0.48X=0.78怎么解X-0.48X=0.78怎么解X-0.48X=0.78怎么解X-0.48X=0.780.52x=0.7852x=78x=1.5就相当于1X-0.48X=0.78即（1-0
X-0.48X=0.78怎么解
X-0.48X=0.78怎么解
X-0.48X=0.78怎么解
X-0.48X=0.78
0.52x=0.78
52x=78
x=1.5
就相当于 1X-0.48X=0.78 即（1-0.48）X=0.78 所以0.52X=.78 X=0.78/0.52 X=1.5
X-0.48X=0.78
0.52X=0.78
X=1.5
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