0...04 2008个0...04 Y=0.0...08 2009个0...08,求X除Y

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0...04 2008个0...04 Y=0.0...08 2009个0...08,求X除Y

0...04 2008个0...04 Y=0.0...08 2009个0...08,求X除Y
0...04 2008个0...04 Y=0.0...08 2009个0...08,求X除Y

0...04 2008个0...04 Y=0.0...08 2009个0...08,求X除Y
x/y=/0.000004/0.0000008
这个你会吧?结果一样的 分子分母同时乘以
10^2009


x/y=40/8=5