Question

calculeaza media aritmetica a numerelor a=0,7.(9,5-2)b=3supra20 din400,c=1,1la puterea 2-23supra50

Answer 1

a = 0,7×(9,5-2) = 0,7×7,5 = 5,25
b = 3/20×400 = 3×20 = 60
c = 1,1^2 - 23/50 = 1,21 - 0,46 = 0,75
Ma = (a+b+c) : 3 =
= (5,25 + 60 + 0,75) : 3 =
= 66 : 3 =
= 22

Ma = 22