1) We collect a full three-liter can of water and pour its contents into a can.
0 + 3 = 3 liters of water (in a can).
2) We repeat the previous action.
In this case, after the second filling of the can, it will contain:
3 + 3 = 6 liters.
3) We collect a full three-liter jar and pour its contents into a can.
Since it will already contain 6 liters of water, it means that it will additionally fit:
7 – 6 = 1 liter.
As a result, the bank will retain:
3 – 1 = 2 liters.
4) Pour out all the water from the can and fill it with 2 liters of water that remained in the jar.
After that, we again collect a full can of water and pour the water into the can.
As a result, it will contain:
2 + 3 = 5 liters.
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