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How many triangles  have?

Тhink nicely.

How many cubes is made of the triangle?

There are 3 crumbs on the table. How will you move the middle lug without touching it?

Which symbol should you put between the two digits to get a number smaller than 5 and greater than 4?

Find the differences

Help; The first and second pictures have 4 differences, third has 3.

See the solutions

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