999...98(1997个9)*999...98(1997个9)+999...98(1997个9)

发布时间:2021-02-22 15:33:42

999...98(1997个9)*999...98(1997个9)+999...98(1997个9)*2的末尾有多少个0

网友回答

999...98(1997个9)不用看它,看第1,2,3个999...98的8,8*8是81,81+8是89,89*2是178,178就是999...98(1997个9)*999...98(1997个9)+999...98(1997个9)*2的末尾,所以,一个0也没
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