算符优先分析法 根据算符优先分析法，将表达式进行语法分析，判断一个表达式是否正确。 文法：E→E+E E-E E*E E/E (E) i- The operator first analytic method basis operator first
analytic method, carries on the expression the grammar analysis,
judges an expression is whether correct. Grammar: E -> E E E-E E*E E/E
(E) i