25 Apr Wednesday 17:00 Python Practice – 23.04.19.
Question:
We have learned infix, prefix and postfix, please write the missing prefix and postfix in the table blow:
infix | prefix | postfix |
A+B | +AB | AB+ |
A+B*C | +A*BC | ABC*+ |
(A+B)*C | *+ABC | AB+C* |
A+B*C+D | ++A*BCD | ABC*+D+ |
(A+B)*(C+D) | ||
A*B+C*D | ||
A+B+C+D |
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