$\frac{\it{2020}^{\,\it{2019}}\,\it{2019}+ \it{2019}^{\,\it{2019}}\,\it{2018}}{\it{2020}^{\,\it{2019}}\,\it{2020}+ \it{2019}^{\,\it{2019}}\,\it{2019}}+ \frac{\it{2019}^{\,\it{2019}}\,\it{2018}+ \it{2018}^{\,\it{2019}}\,\it{2020}}{\it{2019}^{\,\it{2019}}\,\it{2019}+ \it{2018}^{\,\it{2019}}\,\it{2018}}+ \frac{\it{2018}^{\,\it{2019}}\,\it{2020}+ \it{2020}^{\,\it{2019}}\,\it{2019}}{\it{2018}^{\,\it{2019}}\,\it{2018}+ \it{2020}^{\,\it{2019}}\,\it{2020}}\leqq \it{3}$
$+ \it{2019}^{\,\it{2019}}\,\it{2019}$ $$\leqq \it{3}$$
Bắt đầu bởi DOTOANNANG, 01-01-2019 - 09:23
2 0 1 9 2019 happy 19 ! 2 0 2 0 2018
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Đã gửi 07-01-2019 - 08:32
DOTOANNANG
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$\frac{\it{2020}^{\,\it{2019}}\,\it{2019}+ \it{2019}^{\,\it{2019}}\,\it{2018}}{\it{2020}^{\,\it{2019}}\,\it{2020}+ \it{2019}^{\,\it{2019}}\,\it{2019}}+ \frac{\it{2019}^{\,\it{2019}}\,\it{2018}+ \it{2018}^{\,\it{2019}}\,\it{2020}}{\it{2019}^{\,\it{2019}}\,\it{2019}+ \it{2018}^{\,\it{2019}}\,\it{2018}}+ \frac{\it{2018}^{\,\it{2019}}\,\it{2020}+ \it{2020}^{\,\it{2019}}\,\it{2019}}{\it{2018}^{\,\it{2019}}\,\it{2018}+ \it{2020}^{\,\it{2019}}\,\it{2020}}\leqq \it{3}$
$\frac{\it{2020}^{\,\it{2019}}\,\it{2019}+ \it{2019}^{\,\it{2019}}\,\it{2018}}{\it{2020}^{\,\it{2019}}\,\it{2020}+ \it{2019}^{\,\it{2019}}\,\it{2019}}\leqq \frac{\it{2018}}{\it{2018}}$
$\frac{\it{2019}^{\,\it{2019}}\,\it{2018}+ \it{2018}^{\,\it{2019}}\,\it{2020}}{\it{2019}^{\,\it{2019}}\,\it{2019}+ \it{2018}^{\,\it{2019}}\,\it{2018}}\leqq \frac{\it{2019}}{\it{2019}}$
$\frac{\it{2018}^{\,\it{2019}}\,\it{2020}+ \it{2020}^{\,\it{2019}}\,\it{2019}}{\it{2018}^{\,\it{2019}}\,\it{2018}+ \it{2020}^{\,\it{2019}}\,\it{2020}}\leqq \frac{\it{2020}}{\it{2020}}$
Được gắn nhãn với một hoặc nhiều trong số những từ khóa sau: 2 0 1 9, 2019, happy 19 !, 2 0 2 0, 2018
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