Question

упростите: √2-2/√22-2√11

Answer 1

$frac{sqrt{2}-2}{sqrt{22}-2sqrt{11}}=frac{sqrt{2}-2}{sqrt{11}sqrt{2}-2sqrt{11}}=frac{sqrt{2}-2}{sqrt{11}(sqrt{2}-2)} = frac{1}{sqrt{11}}=frac{sqrt{11}}{11}$

Answer 2

равно 1 делёному на 11

ответ таков наверное