GRE备考答疑：GRE数学中谁是分母？比如：224 is what percent higher than 189?
分母到底是224还是189?
我记得做PP2的时候，貌似是224
但是这次做M的时候，答案却是189
：189.如果要是前者的话，你想想前者为0的情况怎么办其实和中文的习惯是一样的，A比B多20%，这个一般也是以B为基准的。
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