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2022-10-14 21:09:52
Ta có:3(n+1)=3(n+3)+4
để 3(n+1)chia hết cho n+3 thì 3(n+3)+4 cũng phải chia hết cho n+3
mà 3(n+3) đã chia hết cho n+3
suy ra 4 cũng phải chia hết cho n+3
suy ra n+3 thuộc ước của 4
Vậy n =1
2022-05-08 14:45:58
2022-05-08 14:45:26
2022-05-08 14:43:12
= 34/125 bạn hãy vote cho mk nhé
2022-05-06 21:14:20
x = 2 y =0 bạn nhé mk chắc lun hihi
2022-05-06 21:12:15
bằng 160 bạn nhé
2022-02-28 09:30:41
2022-02-28 09:30:40
2022-02-28 09:30:40
2022-02-28 09:30:40