A+B=150,A除以B等于三分之二,求A和B

题目

A+B=150,A除以B等于三分之二,求A和B

答案

A/B=2/3```````````````````````A =（2/3）x B
A+B=(2/3 +1）x B =5/3 x B=150 ``````````````B=90 A=60
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