Question

calculeaza media aritmetică a numerelor : a = 6 rad 27- 3 rad 48 +2 rad 12 b= 6rad 75 + rad 12​

Answer 1

Răspuns:

a = 6√27-3√48+2√12

a = 18√3-12√3+4√3

a = 10√3

b = 6√75+√12

b = 30√3+2√3

b = 32√3

M(a) = (a+b)/2 = (10√3+32√3)/2 = 42√3/2 = 21√3

EVERGREEN