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单选题

Let @ represent one of the four basic arithmetic operations such that, for any nonzero real numbers P and Q, P @ 0=P and P @ Q=Q @ P. Which arithmetic operation(S) does the symbol @ represent?

发布日期:2021-09-15

Let @ represent one of the four basic arithmetic o...
A

×only

B

+only

C

-only

D

-and×

E

+and÷

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此试题出现在

国外英语考试

美国学术能力评估考试(SAT)

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