如果A/B=200,那么(A/5)/(B/20)=?

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如果A/B=200,那么(A/5)/(B/20)=?如果A/B=200,那么(A/5)/(B/20)=?如果A/B=200,那么(A/5)/(B/20)=?如果A/B=200,那么(A/5)/(B/2

如果A/B=200,那么(A/5)/(B/20)=?
如果A/B=200,那么(A/5)/(B/20)=?

如果A/B=200,那么(A/5)/(B/20)=?
如果A/B=200,那么(A/5)/(B/20)=(A/B)*(20/5)=200*4=800

800

800

除以一个数,等于乘这个数的倒数,再根据分数乘法的规律就可以得出了

(A/5)/(B/20)=(A/5)X(20/B)=20A/5B=4A/B,因为A/B=200,所以(A/5)/(B/20)=4X200=800