Question

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Answer 1

Ответ:

$= 60 \times \sqrt{6}$

Объяснение:

$\sqrt{6 \times 40} \times \sqrt{90}$

$= \sqrt{6 \times 40 \times 90} =$

$= \sqrt{6 \times 4 \times 10 \times 9 \times 10} =$

$= \sqrt{6 \times {2}^{2} \times {10}^{2} \times {3}^{2}} =$

$= 2 \times 3 \times 10 \times \sqrt{6} =$

$= 60 \sqrt{6}$

Answer 2

√21600=60√6≈146,96938