Question

1) Media aritmetica a 100 de numere este 47,58.Aflati suma celor 100 de numere .
2) Calculati media artimetica a numerelor a,b si ce unde :
a)=3,2+2,72•5-0,25:0,07
b)12,3•(5,79-4,29)+0,3²:3
c) 2•9,5-14:4+0,31•0,5-0,005•3

Answer 1

1)(a+b+c+...)/100=47,58
a+b+c...=4758 2) a=13.22 b =18.48 c =15.64 (a+b+c)/3=15.78