编译原理课后习题答案2 第五章习题参考答案1、(1)对(a,(a,a)的最左推导为:S(T)(T,S)(S,S)(a,S)(a,(T))(a,(T,S))(a,(S,S))(a,(a,S))(a,(a,a))对(((a,a),∧,(a)),a)的最左推导为:S(T)(T,S)(S,S)((T),S)((T,S),S)((T