Răspuns :
1236-baloane rosii
baloane albe-1236-278=1514
baloane albastre-3954-(1236+1514)=3954-2750=1204
baloane albe-1236-278=1514
baloane albastre-3954-(1236+1514)=3954-2750=1204
b.rosii+b.albe+b.albastre=3954
b.rosii=1236
b.albe=1236+278
b.albastre=3954-(1236+(1236+278))
=>
1236+(1236+278)+b.albastre=3954 baloane
b.albastre=3954-(1236+1514)
b.albastre=3954-2750=1204
br+ba+ba=3954
1236+1514+1204=3954 baloane
b.rosii=1236
b.albe=1236+278
b.albastre=3954-(1236+(1236+278))
=>
1236+(1236+278)+b.albastre=3954 baloane
b.albastre=3954-(1236+1514)
b.albastre=3954-2750=1204
br+ba+ba=3954
1236+1514+1204=3954 baloane