Răspunsuri

2014-10-20T15:35:15+03:00
Media aritmetica a lui a si b = (a + b) : 2

ma( x, y ) = (2 + radical 29 + 2 - radical 29) : 2
se reduce radical 29 si ramane ( 2 + 2 ) : 2 => ma(x,y) = 2
2 3 2
2014-10-20T15:45:21+03:00
x = 2 + √29
y = 2 - √29

Media aritmetica a celor doua numere este : (x+y)/2

( 2+ √29 + 2 - √29 ) / 2 = 4 / 2 = 2

R: 2
1 5 1