 
<translate> Sa'ad da aka zuba ruwa daga bokitin da yake da lita biyar a cikin bokitin da yake da lita uku, za a samu lita biyu na ruwa daga bokitin da yake da lita shida. Sa'an nan kuma akwai 6 - 2 = 4 lita da za a iya ƙarawa. Amsar ƙarshe: 4. <eng> Pouring the 5 - liter bucket into the 3 - liter bucket leaves 5 - 3 = 2 liters, which go into the 6 - liter bucket. Then there are 6 - 2 = 4 liters that can be added.
The final answer: 4. 