Question

Using the shorter method, simplify the given one.

$6712-99$

Answer 1

As we know, 99 can be written as $(100-1)$ so,

$$\begin{gathered} =6712-(100-1) \\ =6712-100+1 \\ =6612+1 \\ =\mathbf{6613} \end{gathered}$$

Hence,$\mathbf{6613}$ is a required answer.