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Nguyễn Gia Linh B
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2025-02-04 19:13:53
dỗi
2025-02-04 19:13:41
đồ vô dụng
2025-02-04 19:13:27
ko làm à
2025-02-04 18:30:42
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2025-01-15 19:07:35
sai r
2024-12-27 20:38:48
Khi là các chữ số ; ; ; ; thì số chia hết cho .
khi là các chữ số ; thì số chia hết cho .
khi là các chữ số thì số chia hết cho nên số là hợp số.
Khi là hoặc thì là hoặc là các số nguyên tố.
2024-12-27 20:37:59
A = 2011 + 2012 + 2013 + 2014 + 2015 + 2016 + 2017 + 2018 + 2019.
=(2011+2019) + (2012 +2018) + (2013+2017) +(2014 +2016) + (2015+2015)
= 4030 + 4030 + 4030+ 4030+4030
= 4030 .5
= 20150
2024-12-27 20:32:36
15m vuông
2024-12-27 20:31:30
giống nhau
2024-12-26 20:40:41
;