Question

упростите выражение а)3√27-√75 б)(√50-2√2)√2

Answer 1

$1)3sqrt{27} -sqrt{75} =9sqrt{3} -5sqrt{3} =4sqrt{3} \\2)(sqrt{50}-2sqrt{2})*sqrt{2} =(5sqrt{2} -2sqrt{2})*sqrt{2} =3sqrt{2} *sqrt{2} =3*2=6$

Answer 2

фото

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