Explain why division of integers doesn’t hold true for the closure property with a example.

By interchanging which two signs, the equation will be correct?

$5 – 9 + 16 \times 91 ÷ 13 = –98$

What is the value of:
$2 of 3 ÷ 3 \times 2 + \{4 \times 3 - (5 \times 2 + 3\left)\right\} =?$

Additive inverse of $x-\frac{1}{x}$ is 

 By interchanging the given signs which of the following equations will be correct?
$+$ and $\times$ 
 

Solve the following expression.

$11+11\times 11-11÷11$

By interchanging which two signs, the equation will be correct?

$13 - 9 \times 2 ÷ 3 + 16 = 3$

After interchanging the given two signs, what will be the value of $11 ÷ 9 - 63 + 7 \times 2$?

$÷ and +$

What will come at the place of the question mark(?) 

$75$ of $\frac{1}{30}÷\frac{1}{2}=?$

Solve the following by using 'Sutra Paravartya'.

$14885÷123$