$\"\"$

Find the numerical expression value of $\"\"$ using whole numbers from $\"\"$ to $\"\"$ .

Consider whole numbers are $\"\"$ and $\"\"$ .

Here $\"\"$ . \ \

$\"\"$

$\"\"$ (Simplify)

$\"\"$ (Subtract)

$\"\"$ (Simplify)

Therefore, the numerical expression value of $\"\"$ is $\"\"$ .

$\"\"$

The numerical expression value of $\"\"$ is $\"\"$ .