给出给定LL(1)文法的FIRST和FOLLOW集,求出相应的分析表以及对给定字符串进行分析,判断是否属于该文法 -Give a given LL (1) grammar of the FIRST and FOLLOW sets, calculated the corresponding analysis table, as well as an analysis of the given string to determine whether or not belong to the grammar
计算器进行加减乘除等简单运算交换机即可供货客观和可国际化国苦苦观看过-calculator for simple arithmetic Operational Availability switches can be objective and international countries too hard to watch