nguyễn khắc bảo
Giới thiệu về bản thân
ko có j
0
0
0
0
0
0
0
2022-02-14 08:28:52
2022-02-14 08:26:45
\(\dfrac{5^{2021}-5^{2020}}{5^{2021}+5^{2019}}=\dfrac{5^{2020}.5-5^{2020}}{5^{2019}.5^2+5^{2019}}=\dfrac{5^{2020}.\left(5-1\right)}{5^{2019}.\left(25+1\right)}=\dfrac{5.4}{24}=\dfrac{20}{24}=\dfrac{5}{6}\)
2022-02-14 08:20:34
2022-02-14 08:11:36
=24
2022-02-07 00:00:00
2022-02-09 08:28:39
2022-02-09 08:28:39
2022-02-09 08:28:39
2022-02-09 08:28:39
2022-02-09 08:28:39