养鸡场养的母鸡比公鸡多270只,母鸡与公鸡的比是4:1.求母鸡,公鸡各有多少只?
人气：384 ℃ 时间：2020-01-26 03:52:22
解答
母鸡比公鸡多(4-1)/1=3即多的数目是公鸡的3倍=270
所以,公鸡有270/3=90只.母鸡有90×4=360只.
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