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大小单双稳赢规律
- 主演： 张智慧 索菲·瓦瓦塞尔 博古米尔·科别拉
- 状态：更新至18期
- 导演：雅各布·詹特利
- 类型：电影
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简介：Existence, that is, proving that the object that satisfies the condition exists, and uniqueness, that is, proving that there is only one object that satisfies the condition. Well, in other words, there is no second object that satisfies the condition. Therefore, this is a negative proposition, Commonly used method of proof by contradiction.