Question

5. Calculează: a) 5√/18+3√2-√98; b) 75+2√125-√20; c) 4√/7-3√/28+√7​

Answer 1

Răspuns:

a)

$11 \sqrt{2}$

b)

$75 + 8 \sqrt{5}$

c)

$- \sqrt{7}$