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sierravick123owr441
18.02.2021 •
Mathematics
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Ответ:
D.![\sqrt{250}](/tpl/images/1126/1797/3a1b7.png)
Step-by-step explanation:
First, use prime factorization of 250 to get![\sqrt{2*5^3}](/tpl/images/1126/1797/fea2b.png)
Then apply the exponent rule,![a^{b+c} =a^{b}*a^{c}](/tpl/images/1126/1797/1394e.png)
=![\sqrt{2*5^2*5} }](/tpl/images/1126/1797/7b18a.png)
Apply radical rule:![\sqrt{ab}= \sqrt{a} \sqrt{b}, a\geq 0, b\geq 0](/tpl/images/1126/1797/4c4fe.png)
=![\sqrt{5^{2}} \sqrt{2*5}](/tpl/images/1126/1797/3f041.png)
Apply radical rule:![\sqrt{a^{2}} =a, a\geq 0](/tpl/images/1126/1797/5287b.png)
=5![\sqrt{2*5}](/tpl/images/1126/1797/9ac78.png)
=5![\sqrt{10}](/tpl/images/1126/1797/60644.png)
Ответ:
2 5/15-1 6/15=9/15
double that 18/15=1 1/5 cup