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2024-11-26 18:42:10
7 và 13 đều là số nguyên tố => a + 9 chia hết cho 7 x 13 = 91. => a chia cho 91 dư 91-9 = 82. Vậy số tự nhiên đó chia cho 7 dư 5, chia cho 13 dư 4. Nếu đem chia số đó cho 91 dư 82.
2024-05-24 21:45:43
????
2024-05-13 19:57:00
Câu D bền chặt nha
2024-04-17 21:22:01
câu A nha
2024-02-29 19:50:12
3
2024-01-10 20:18:32
????
2024-01-10 20:17:43
2023-12-17 09:52:11
gg
2023-12-17 09:52:05
g
2023-12-17 09:48:30
a) bảng
b)2016:21589 vụ
2017:20080 vụ
2018:18736 vụ
2019:17621 vụ
2020:14510 vụ
c)giàm