Please answer all questions and read carefully 
This tutorial consists with 5 questions. Write clearly your answer on paper 😄
Convert the following Infix representation to Postfix. Write clearly your answer on paper.
$ a + b * (c-d) / (p - r)$
Convert the following Infix representation to Postfix. Write clearly your answer on paper.
$ A + B * C - D / E $
Convert the following Infix representation to Postfix. Write clearly your answer on paper.
$ A * B - (C + D) + E $
Evaluate the following Postfix representation. Write clearly your answer on paper.
$ 3\space\space8 * 19 - 7 + $
Convert the following Infix representation to Postfix. Next, evaluate the Postfix representation.
$ 2 + 3 * 4 $