Question: Homework of Programming Languages and Compilers class: 1. (25%) show a leftmost derivation for the statement: B = C * (A * C + B)

Homework of Programming Languages and Compilers class:

1. (25%) show a leftmost derivation for the statement: B = C * (A * C + B) using the following grammar - 2. (25%) show a parse tree for the statement: using the following grammar A A * (B + C) = * ( ) I I 3. (25%) Prove the following grammar is ambiguous: 4. (25 %) Consider the following grammar: A) Which of the following sentences are in the language generated by this grammar? a). yxxy b). yyyxy c).yyxxx d). yyxxy B) Describe, in English, the language defined by this grammar

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