Question

СРОЧНО!

1.Выполните действия :

1) 3√72-2√200+5√32-√400
2) (2√6-2√54+6√96)•2√3

Answer 1

3*3*2v2-2*10v2+5*4v2-20=18v2-20v2+20v2-20=18v2-20=2(9v2-10)

(2v6-5v6+24v6) * 2v3 = 21v6 * 2v3= 42v18= 42*3v2= 126v2