如果男生人数比女生人数多五分之二,那么女生人数比男生人数少五分之二 对还是错 为什么

2025-01-05 10:50:53
推荐回答(4个)
回答(1):

错的。。用数学来做 女生X 男生Y
第一种情况2/5X +X=Y 7/5X=Y
第二种情况Y-2/5Y=X 3/5Y=X 5/3X=y

回答(2):

比较的标准不一样,前一个:男7比女5多五分之二,后就是女5比男7少七分之二

回答(3):

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回答(4):