計算:﹣24的結果爲( )A.﹣8 B.8 C.﹣16D.16
問題詳情:計算:﹣24的結果爲()A.﹣8 B.8 C.﹣16D.16【回答】C【分析】﹣24表示4個2的乘積的相反數.【解答】解:﹣24=﹣16.故選C.【點評】乘方是乘法的特例,乘方的運算可以利用乘法的運算來進行.注意區分(﹣2)4≠﹣24.知識點:有理數的乘方題型:選擇...
問題詳情:計算:﹣24的結果爲()A.﹣8 B.8 C.﹣16D.16【回答】C【分析】﹣24表示4個2的乘積的相反數.【解答】解:﹣24=﹣16.故選C.【點評】乘方是乘法的特例,乘方的運算可以利用乘法的運算來進行.注意區分(﹣2)4≠﹣24.知識點:有理數的乘方題型:選擇...
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