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If you came from a poor family and couldn't go to a good school,could one book change your life? It did for Srinivasa Ramanujan,a bright young Indian boy.When he was 15 years old,he found a book about math.It was a book with 1000 very difficult problems.While Sinivasa's friends played football on the road in front of his house,he worked out the answers to these problems. 相似文献
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