Question

Calculati media aritmetica a numerelor:
a)10 si 36
b)3supra5 si 12supra5
c)2-√3 si 2+√3
d)3√2-4 si 3√2+4
e)-√3 si 3

Answer 1

a)(10+36)/2=46/2=23
b)(3/5+12/5)/2=(15/5)/2=3/2=1,5
c)([(2-√3)+(2+√3)]/2=
=(2-√3+2+√3)/2=(2+2)/2=4/2=2
d)[(3√2-4)+(3√2+4)]/2=
=(3√2-4+3√2+4)/2=(3√2+3√2)/2=6√2/2=3√2
e)(-√3+3)/2 așa și ramine