1998的3次方除以7的余数是
1998的3次方除以7的余数是
用同余于来算
用同余于来算
数学人气：953 ℃时间：2019-12-25 22:23:41
优质解答
貌似是2吧...以前记得有一个很简单的方法,时间长 了 忘记了...= =!
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