Is there only one method to find the numbers between squares of 12 and 13?
There are three ways to find the answer. They are as follows
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Count the numbers physically
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Use the equation
\begin{aligned}
& 13^2 - 12^2 - 1 = 24
\end{aligned}
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Since 12 and 13 are consecutive numbers, you can use the following equation
\begin{aligned}
& 2 \times 12 = 24
\end{aligned}