Question

Rotunjiti la prima zecimala media aritmetica a numerelor 1,31 si 3,57. DAU COROANA !!

Answer 1

1,31+3,57/2bara e linie de fractie
(1,31+3,57):2=
4,88:2=2,44
rotunjit
4,88:2=2

Answer 2

1,31 si 3,57

M ( indice) a =a+b/2
M (indice) a= 1,31+3,57/2
M (indice) a=4,88/2
M (indice) a =2,44

2,44~2,4

M (indice) a = Media aritmetica
/-linia de fractie
~ - semnul de rotunjire

Sper ca te-am ajutat...coronita?