Question

Buna! Ma ajuta cineva, va rog?

Answer 1

A.

4√3 + √3  = 5√3

B

5√8 - √ 2 = 5*2√2-√2=10√2-√2=9√2

√8 = 2√2

C

2√3*√3 = 2*3=6

D

2√8 : 2√2 + 3 = 2*2√2 : 2√2 +3 = 4√2 : 2√2 + 3= 2+3=5

E

(√2)2 = √2*√2= 2