7.2. A rectangle is cut into several rectangles, the perimeter of each of which is a number of meters divisible by 4. Is it true that the perimeter of the original rectangle is divisible by 4?
Answer: No.

Solution: For example, a rectangle with sides 1 and 2 can be cut into squares with side 1. The perimeters of the squares are 4, while the perimeter of the rectangle is 6.

Criterion: If a correct counterexample is found but the verification is not performed - 7 points.