题目内容：
以前用同样数量的钱能买1头牛或99只鸡，现在一头牛的价格已下跌了100，一只鸡的价格却上升了100。那么，现在多少只鸡的价格与一头牛的价格相同?（ ）
参考答案：
答案解析：
单选题：以前用同样数量的钱能买1头牛或99只鸡，现在一头牛的价格已下跌了100，一只鸡的价格却上升了100。那么，现在多少只鸡的
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- 题目类型：单选题
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