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2022-04-23 22:44:27
2022-04-17 08:07:24
Từ giả thiết => , a=3k+1 (); b, b=3q+2
=> hay (1)
Lại có
Từ gt =>
Dẫn đến hay
Từ (1) => mà 3,7 nguyên tố cùng nhau nên
=> A chia 21 dư 10
2022-04-17 08:07:04
Từ giả thiết => , a=3k+1 (); b, b=3q+2
=> hay (1)
Lại có
Từ gt =>
Dẫn đến hay
Từ (1) => mà 3,7 nguyên tố cùng nhau nên
=> A chia 21 dư 10
2022-04-17 08:06:08
Từ giả thiết => , a=3k+1 (); b, b=3q+2
=> hay (1)
Lại có
Từ gt =>
Dẫn đến hay
Từ (1) => mà 3,7 nguyên tố cùng nhau nên
=> A chia 21 dư 10