Học Tốt Ez

n \(\geq\) 2
\(\overset{as}{\(\rightarrow\}\)
$$\overset{as}{\rightarrow}$$
\(\overset{as}{\rightarrow}\)
$\(\overset{as}{\rightarrow}\)$
$\overset{as}{\rightarrow}$
$(a)^{9}$

$\overset{ddd}{\rightarrow}$

$\overset{ddd}{\rightarrow}$\overset{ddd}{\rightarrow}

$\overset{ddd}{\rightarrow}$

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