問題詳情

【題組】(5) Which statement(s) is correct for arithmetic expressions?
(A) There is no parenthesis in a postfixexpression.
(B) The first symbol in a prefix expression must be an operator.
(C) The first symbolin a postfix expression must be an operator.
(D) The amount of operands in a prefix is more thanthat of operators.

參考答案

答案:[無官方正解]
難度:計算中-1
書單:沒有書單,新增