$\"\"$ $\"\"$

The statement is “ $\"\"$ ”

Commutative property of addition:

The order in which numbers are added does not change the sum.

For any numbers a and b, $\"\"$ .

$\"\"$ (According to commutative property of addition: $\"\"$ ) $\"\"$

Associative property of addition:

The way in which numbers are grouped when added does not change the sum.

For any numbers a, b and c; $\"\"$ .

According to associative property, the statement can be written as

$\"\"$

$\"\"$ (Add: $\"\"$ ) $\"\"$

The simplified expression is k+57.