Răspuns :
b+c+g+r=50
b=c:2 c=bx2
g=3xb
r=8+b
b+2b+3b+8+b=50
7b=50-8
7b=42
b=6
c=6x2=12
g=3x6=18
r=8+6=14
b=c:2 c=bx2
g=3xb
r=8+b
b+2b+3b+8+b=50
7b=50-8
7b=42
b=6
c=6x2=12
g=3x6=18
r=8+6=14