$sqrt{8 } times sqrt{2 }$
$sqrt{50} times sqrt{0.5}$
$sqrt{8.1} times sqrt{10}$
$sqrt{640} times sqrt{0.1}$
$sqrt{2} times sqrt{72}$
$sqrt{62.5} times sqrt{10}$
$sqrt{} frac{2}{3} times sqrt{} frac{3}{8}$
$sqrt{} frac{1}{18} times sqrt{2}$
$sqrt{} frac{4}{3} times sqrt{} frac{1}{3}$
$sqrt{0.016} times sqrt{10}$

срочно надо , спасибо

Ответ

Автор - papagenius

Пошаговое объяснение:

$[begin{gathered}sqrt 8 *sqrt 2=sqrt {8*2} =sqrt {16} =4 hfill \sqrt {50} *sqrt {0.5}=sqrt {50*0.5}=sqrt {25}=5hfill \sqrt {8.1} *sqrt {10}=sqrt {8.1*10}=sqrt {81}=9hfill \sqrt {640} *sqrt {0.1}=sqrt {640*0.1}=sqrt {64}=8 hfill \sqrt 2*sqrt {72}= sqrt {2*72}=sqrt {144}=12 hfill \sqrt {62.5}*sqrt {10}= sqrt {62.5*10}= sqrt {625}=25 hfill \ end{gathered} ]$ $[begin{gathered}sqrt {frac{2}{3}} *sqrt {frac{3}{8}}=sqrt {frac{{2*3}}{{3*8}}}=sqrt {frac{1}{4}}=frac{1}{2} hfill \sqrt {frac{1}{{18}}} *sqrt 2=sqrt {frac{1}{{18}}*2}=sqrt {frac{1}{9}}=frac{1}{3} hfill \sqrt {frac{4}{3}} *sqrt {frac{1}{3}} = sqrt {frac{{4*1}}{{3*3}}}=sqrt {frac{4}{9}}=frac{{sqrt 4}}{{sqrt 9}}=frac{2}{3}hfill \sqrt {0.016} *sqrt {10}=sqrt {0.016*10}=sqrt {0.16}= 0.4 hfill \ end{gathered} ]$