Răspuns :
a, b,c
b= 3a
c=4a
a+b+c=56 baloane
a+3a+4a=56
8a=56
a=56:8
a=7 (baloane albe)
b=3*7=21 (baloane galbene)
c=4*7=28 (baloane albastre)
b= 3a
c=4a
a+b+c=56 baloane
a+3a+4a=56
8a=56
a=56:8
a=7 (baloane albe)
b=3*7=21 (baloane galbene)
c=4*7=28 (baloane albastre)