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(09年湖北鄂州5月模拟理)设=.=.=(5.6).则(+3)?等于A. B.-12 C.
(09年湖北鄂州5月模拟理)设=.=.=(5.6).则(+3)?等于A. B.-12 C.
发布时间:2021-02-20 14:27:02
(09年湖北鄂州5月模拟理)设=(2,-3),=(-4,3),=(5,6),则(+3)?等于
A.(-50,36) B.-12 C.0 D.-14
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答案:D
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