Mathematics
Senior High
赤文字のところでなぜそうおけるか分かりません
2000=8 (mod 12) であり
8³ 8.4 8 (mod 12),
ゆえに
,kを自然数とすると
よって
8²=64=4 (mod 12),
84 (8²)² =4²=4 (mod 12
824 (mod 12)
2000 2000 82000=4 (mod 12)
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