Question

calcule o valor das expressões
$( \sqrt{18} + \sqrt{98} + \sqrt{200} ) \div (2 \sqrt{2} + \sqrt{8} )$
$( \sqrt{18} + \sqrt{98} + \sqrt{200} ) \div (2 \sqrt{2} + \sqrt{8)}$
​

Answer 1

$(3 \sqrt{2} + 7 \sqrt{2} + 10 \sqrt{2}) \div (2 \sqrt{2} + 2 \sqrt{2})$

$20 \sqrt{2} \div 4 \sqrt{2}$

$(20 \div 4) \sqrt{2}$

$5 \sqrt{2}$