Question

va roggg ma puteti ajuta si sa imi si explicati va rogggg.Dau coroana​

Answer 1

Răspuns:

$11\sqrt{7}-4.9\sqrt{7}+50\sqrt{63} =$

$=11\sqrt{7} -4.9\sqrt{7} +50\sqrt{3^{2} *7} =$

$=11\sqrt{7} -4.9\sqrt{7} +50*3\sqrt{7} =$

$=11\sqrt{7} -4.9\sqrt{7} +150\sqrt{7} =$

$=156,1\sqrt{7}$