Question

$\sqrt{9 + 9 \times \sqrt{64} }$
dau coroana
​

Answer 1

Salut,

$\sqrt{9+9\sqrt{64}}=\sqrt{9+9\cdot\sqrt{8^2}}=\sqrt{9+9\cdot 8}=\sqrt{9(1+8)}=\sqrt{9\cdot 9}=\sqrt{9^2}=9.$

A fost greu ?

Green eyes.

Answer 2

Răspuns:

$\sqrt{9 + 9 \times \sqrt{64} } = \\ = \sqrt{9 + 9 \times 8} = \\ = \sqrt{9 + 72} = \\ = \sqrt{81 } = \\ = 9$

succes