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2的相反数是A.-2                        B.-                  ...

问题详情:

2的相反数是A.-2                        B.-                  ...

2的相反数是

A.-2                         B.-                                             C.                                                    D.2

【回答】

A

知识点:有理数

题型:选择题

TAG标签:相反数 #