Vo Quoc Ba Can

The problem of filling in numbers in a grid.

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14/06/2023

The frog jumping on a water lily leaf problem

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08/06/2023

The cake-dividing problem for 6th graders

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31/05/2023

The problem of dividing a cake into two equal parts.

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31/05/2023

The Intelligent Lions Problem

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26/05/2023

The Rubik's Cube numbering puzzle from an American university.

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19/05/2023

The problem of finding the cat behind the door.

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13/05/2023