Question

Газетный лист сложили пополам 5 раз меняя направление сгиба. Затем отрезали от получившегося прямоугольника 4 угла и развернули лист. Сколько в нем дырок? А .21 Б .25 В. 32 Г .45

Answer 1

Ответ будет 45 или 21.
по бокам наверно не надо тогда 21 дырочек.Если вы сделаете в 5 раз сложите и обрежите 4 угла и развернете то получится 21 дырочка.
Ответ: 21 дерочек.

Answer 2

The answer to the question is 32. Here is how to find it:

- When the newspaper sheet is folded in half 5 times, it becomes a rectangle with 32 smaller rectangles inside it. Each smaller rectangle has 4 corners. - When the 4 corners of the folded rectangle are cut off, each corner removes one corner from 4 smaller rectangles. This means that 4 x 4 = 16 corners are removed in total. - The remaining corners of the smaller rectangles form the holes in the unfolded sheet. There are 32 x 4 - 16 = 128 - 16 = 112 corners left. - Each hole is formed by 4 corners, so the number of holes is 112 / 4 = 28. - However, there are also 4 holes in the center of the sheet, where the cuts intersect. These holes are not formed by corners, but by edges. - Therefore, the total number of holes is 28 + 4 = 32.

You can see a visual explanation of this solution in [this link](https://vk.com/@matemagik-zadacha-na-skladyvanie-gazetnogo-lista). You can also check other sources for more information . I hope this helps.