\(đổi9\frac{3}{2}=\frac{21}{2}\)
\(\frac{9}{2}+\frac{21}{2}=\frac{30}{2}=15\)
\(=15\)
= 15
<br class="Apple-interchange-newline"><div id="inner-editor"></div>92 +932
\(\frac{9}{2}\)+ \(9\frac{3}{2}\)
=) \(\frac{9}{2}\)+ \(\frac{21}{2}\)
= \(\frac{30}{2}\)= 15