Nguyễn Hữu Mạnh
Giới thiệu về bản thân
subscrice my channel
https://www.youtube.com/channel/UC2B6fa1A5b_4z5sR6rAJjHQ
0
0
0
0
0
0
0
2025-04-25 15:38:24
7*25^n+12.6^n
=7*25^n+12*25^n-12*25^n+12*6^n
=19*25^n-12*(25^n-6^n)
Ta có (25^n-6^n)chia hết cho(25-6)=19
=>7.5^2n + 12.6^n chia hết cho 19
2025-04-25 15:38:19
7*25^n+12.6^n
=7*25^n+12*25^n-12*25^n+12*6^n
=19*25^n-12*(25^n-6^n)
Ta có (25^n-6^n)chia hết cho(25-6)=19
=>7.5^2n + 12.6^n chia hết cho 19
2025-04-25 15:38:05
7*25^n+12.6^n
=7*25^n+12*25^n-12*25^n+12*6^n
=19*25^n-12*(25^n-6^n)
Ta có (25^n-6^n)chia hết cho(25-6)=19
=>7.5^2n + 12.6^n chia hết cho 19
2025-04-25 15:37:04
7*25^n+12.6^n
=7*25^n+12*25^n-12*25^n+12*6^n
=19*25^n-12*(25^n-6^n)
Ta có (25^n-6^n)chia hết cho(25-6)=19
=>7.5^2n + 12.6^n chia hết cho 19
2023-03-15 08:22:53
d
2023-03-15 08:22:09
khứu giác, vị giác
2023-03-15 08:18:50
i enjoy watching Tv because i like horror film