[ Arithmetic operations. Numerical identities ] Joke problems

Calculate the product

$$
\left(100-1^{2}\right)\left(100-2^{2}\right)\left(100-3^{2}\right) \ldots\left(100-25^{2}\right)
$$

#
Pay attention to the factors hidden behind the ellipsis.

## Solution

The product is 0, since among the factors there will be (100 - $10^{2}$).

## Answer

0.