Maths Tip:
As you can see, I first wrote down 25, which is the square of 5. They will be the last two digits of the number that we want to find. Then, I wrote down the number that is greater than 2 by one, which is 3. Lastly, all we need to do is just multiply 3 by 2, which is 6, and 625 will be our answer.
In order to calculate, for example, the square of 45. Firstly, we need to know that 25 will be the last two digits of the answer, so just write it down. Then, let's look at the 4, the number that is greater than it by 1 is 5. The last thing we need to do is multiply 5 by 4, and 2025 will be our answer.
Негізгі бет How to quickly calculate the square of numbers that end with a 5
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