Question: 1. Define a procedure DiffSquares that will compute the difference between the square values of 2 inputs. You must implement the ReadForSquare procedure defined above.

1. Define a procedure DiffSquares that will compute the difference between the square values of 2 inputs. You must implement the ReadForSquare procedure defined above. This procedure should never return a negative value, as it should return the absolute value.

> (DiffSquares) 5

10 75

2. Re-implement the procedure Add and call it AddLet. In this procedure, you must implement let-form to bind values. You may name the variables whatever youd like.

> (AddLet 60 40) 100

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