Răspuns :
x = y : 4 ==> y = 4x
y = z ==> z = 4x
Ma = (x + y + z) : 3 = ( x + y + z) : 3 =
= (x + 4x + 4x) : 3 = 9x : 3 = 3x
y = z ==> z = 4x
Ma = (x + y + z) : 3 = ( x + y + z) : 3 =
= (x + 4x + 4x) : 3 = 9x : 3 = 3x
x = y/4 = > y = 4x
y = z = > z = 4x
m.a. = (x + y + z) : 3 =
(x + 4x + 4x) : 3 =
9x : 3 =
3x
y = z = > z = 4x
m.a. = (x + y + z) : 3 =
(x + 4x + 4x) : 3 =
9x : 3 =
3x