Question

Найдите значения выражения √144-√2500; 2√0,25+64√6400

Answer 1

$sqrt{144} - sqrt{2500} = 12 - 50 = - 38$
$2 sqrt{0.25} + 64 sqrt{6400} \ = 2 times 0.5 + 64 times 80 = \ 1 +512 0 = 5121$