Question

treimea sfertului jumatati unui numar natural este 9,aflati numarul??

Answer 1

[(a/2)/4]/3=9 => (a/2)/4 = 27 => a/2 = 108 => a= 216

Answer 2

[( x :2 ) : 4 ] :3  = 9
[( x :2 ) : 4 ]= 9 x 3
( x : 2 ) : 4 = 27
( x :2 ) = 27 x 4
x : 2 = 108
x = 108 x 2
x = 216