Question

Calculeaza:
a) -2+3 x 5
b) (√3+√2)²
c) (-√7)² -7
d) (2,5-3,1) x 4,3
e) (2√2 - √3) (√3 - √2)

Answer 1

a)=13 b)=5+2radical din 6 c)=0 d)=-6,02 e)=3radical din 6 - 7