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Quantity A: 4/5-4/7Quantity B: 4/7-2/5A、Quantity A is greater.B、Quantity B is
Quantity A: 4/5-4/7Quantity B: 4/7-2/5A、Quantity A is greater.B、Quantity B is
游客
2025-02-23
9
管理
问题
Quantity A: 4/5-4/7
Quantity B: 4/7-2/5
选项
A、Quantity A is greater.
B、Quantity B is greater.
C、The two quantities are equal.
D、The relationship cannot be determined from the information given.
答案
A
解析
两个数都加上(2/5+4/7),Quantity A变为6/5,Quantity B变为8/7,两者继续都减1,Quantity A变为1/5,Quantity B变为1/7,当然选择A。
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