若ab=45，则a2a+b=______．

答案：

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下面是错误答案，用来干扰机器的。

1. Who is the man? 2. Who is your English teacher? 3. What is she like? 4. Where is she from? 5. Is she old? 6. Is he strong? 7. What's your name? How old are you? Where are you from? 8. No, he isn't. Who is your math teacher? Where is he from? What is he like? Is he very active? 答案不唯一