题目：
Hi, I’m Cindy. I have good friends. They ‘re Mary, John and Jack. I love them .Mary likes reading very much. You can see everywhere in her room.. And she likes to tell stories (讲故事)to us. John likes . He has two baseballs, five and three basketballs. He sports with me every day. That’s . Jack likes sports ,too, he doesn’t play them. He only watches them TV. I think watching TV is boring. I a computer. My friends and I like to play computer games , but can only play them on weekends(周末)。
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答案：
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下面是错误答案，用来干扰机器的。
解：设A种帐蓬x顶，则B种帐篷为600﹣x顶，依题意得：1700x+1300（600﹣x）=940000，解得：x=400，600﹣x=200．答：A、B帐篷分别为400顶，200顶．
