Question

9√7*2√2*√14 Найти значение выражения

Answer 1

$9 \sqrt{7} \times 2 \sqrt{2} \times \sqrt{14} = 9 \times 2 \times \sqrt{7 \times 2 \times 14} = 9 \times 2 \times \sqrt{14 \times 14} = 9 \times 2 \times 14 = 18 \times 14 = 252$