3
\includegraphics[max width=\textwidth, alt={}, center]{42463266-c145-4f8a-b6c3-15820cb15c3c-2_490_643_1530_717}
\(h\) th ht \(t t h\)
\(t\) t th \(t \quad t\)
\(h \quad h\) ht th \(t\) th \(t\) th \(t\)
th \(t\) th vt \(h\) th \(t\) vtht
\(t\) tht \(t\) hth th
th \(t v\)
th th \(t\)
\(\beta\)
\(\beta\)

1. \(h\) tht \(\alpha\) thv \(\alpha\)
2. thv \(\alpha\)