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lelaianh
2 năm trước
hãy điền những từ thích hợp : giúp a) Qua điểm A ở ngoài đt a; có không quá một đt ss với.. b) Qua điểm A ở ngoài đt a chỉ có một đt ss với.. c) Nếu qua điểm A ở ngoài ddt a có 2 đt ss với a thì... d) Cho điểm A ở ngoài đt a đường thẳng đi qua A và ss với a là..
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