Homework 3 (Due

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Friday 2/

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5/

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2010 at 11:00am)

Submit your .ss and .txt files via OWL-Space. You will need to use the "Intermediate Language Level" to do Problem 18.1.15. You may use this language for the entire assignment if you choose.

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• 17.7.1
  Note: Make sure you understand section 14.4 before working on this problem. Use
  this data definition as a starting point:

  Code Block
  ; expression ; An expression is one of: ; - a number ; - a symbol ; - (make-mul e1 e2) where e1 and e2 are expressions ; - (make-add e1 e2) where e1 and e2 are expressions

  You are required to extend this definition to include applications (that is,
  expressions like

  Code Block
  (* (f (+ 15 x)) (g x))

  ). Be sure to include a function
  template with your solution.

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