Răspuns :
notam x y si z x=3y z=2x rezulta ca z=6y si inlocuim x+y+z=40
3y+y+6y=40 rezulta ca 10y=40 rezulta ca y=4 ,x=3y=12,z=6y=24 Bafta ! xD
3y+y+6y=40 rezulta ca 10y=40 rezulta ca y=4 ,x=3y=12,z=6y=24 Bafta ! xD
//______// = b;
//___b__/__b__/__b__// = a = 3b;
//__b___/__b_ /__b__//__b__/__b__/__b__// = c = 2a = 6b,
a a
a + b + c = 40;
b + 3b + 6b = 40;
10b = 40;
b = 40:10;
b = 4;
a = 3b= 4x3;
a = 12;
c = 6b = 6 x 4;
c = 24.
//___b__/__b__/__b__// = a = 3b;
//__b___/__b_ /__b__//__b__/__b__/__b__// = c = 2a = 6b,
a a
a + b + c = 40;
b + 3b + 6b = 40;
10b = 40;
b = 40:10;
b = 4;
a = 3b= 4x3;
a = 12;
c = 6b = 6 x 4;
c = 24.