Question 14
The beavers have three carving machines. Each machine takes a block with a given engraved shape and adds other shapes according to its own rule, as shown below. The headings Máy 1, Máy 2, Máy 3 mean Machine 1, Machine 2, Machine 3.
For example, the following picture shows two uses of Machine 3 to obtain a new carved pattern.
Starting with the block
and these three machines, which of the following patterns can the beavers produce?
For example, the following picture shows two uses of Machine 3 to obtain a new carved pattern.
Starting with the block
and these three machines, which of the following patterns can the beavers produce?
