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

The expression is “ $\"\"$ "

= $\"\"$ (Write 525 as sum of 500 and 25: $\"\"$ )

= $\"\"$ (Distribute 6)

= $\"\"$ (Multiply: $\"\"$ )

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

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