X=(A+B)(C+D) 1. Refer to the above equation, please answer all questions below. a) Translate the expression to postfix expression and write a program with zero-address instructions (instruction and comment). b) Write a program with one-address instructions (instruction and comment). c) Write a program with two-address instructions (instruction and comment). d) Write a program with three-address instructions (instruction and comment). X=(D+FEA(BC))G 2. Refer to the above equation, please answer all questions below. e) Translate the expression to postfix expression and write a program with zero-address instructions (instruction and comment). f) Write a program with one-address instructions (instruction and comment). g) Write a program with two-address instructions (instruction and comment). h) Write a program with three-address instructions (instruction and comment)