Explicación paso a paso:
[tex] \frac{ \sqrt{49} }{2} + \frac{ \sqrt{81} }{2} [/tex]
[tex] = \frac{ \sqrt{49} + \sqrt{81} }{2} [/tex]
[tex] \sqrt{49} = 7 \\ \sqrt{81} = 9[/tex]
[tex] \frac{7 + 9}{2} [/tex]
[tex] \frac{16}{2} [/tex]
[tex]8[/tex]
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Explicación paso a paso:
[tex] \frac{ \sqrt{49} }{2} + \frac{ \sqrt{81} }{2} [/tex]
[tex] = \frac{ \sqrt{49} + \sqrt{81} }{2} [/tex]
[tex] \sqrt{49} = 7 \\ \sqrt{81} = 9[/tex]
[tex] \frac{7 + 9}{2} [/tex]
[tex] \frac{16}{2} [/tex]
[tex]8[/tex]
RESOLUCIÓN
8