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单选题) 将自然数分成质数、合数违背了哪一条分类标准( )
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单选题) 将自然数分成质数、合数违背了哪一条分类标准( )
A、分类必须以同一个标准为依据
B、分类应详尽无遗
C、各个属概念应互相排斥
D、分类应当按级进行
时间:2021-09-01 19:58
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青书学堂
许昌学院
小学数学教学设计
答案解析
B
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单选题) 将自然数分成质数、合数违背了哪一条分类标准( )
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