问题描述:
陈向东 最新GRE数学预测模拟试题4第22题
If a is increased by 25% and b is decreased by 25%,the resulting numbers will be equal.What is the ratio of a to
这里的resulting numbers是什么意思?a和b是怎样的相互关系?
If a is increased by 25% and b is decreased by 25%,the resulting numbers will be equal.What is the ratio of a to
这里的resulting numbers是什么意思?a和b是怎样的相互关系?
问题解答:
我来补答展开全文阅读