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hocyvippro
2 năm trước
TRẮC NGHIỆM. Hãy chọn đáp án mà em cho là đúng nhất trong các câu sau: Câu 1: Cho 3 điểm A,B,C biết AB = 2 cm ; AC = 5 cm .Thế thì : A. Điểm B nằm giữa 2 điểm A và C . B. Điểm A nằm giữa 2 điểm B và C . C. Điểm C nằm giữa 2 điểm A và B . D. Không kết luận được điểm nào nằm giữa 2 điểm còn lại. Câu 2: Cho ba điểm thẳng hàng A, B, M và AI + IB = AB. Điểm nào nằm giữa hai điểm còn lại: A.Điểm I B.Điểm A C.Điểm B D. Không có điểm nào Câu 3 :Cho 3 điểm N, P, M thẳng hàng và điểm P nằm giữa 2 điểm N và M . Gọi E là trung điểm của NP , gọi F là trung điểm của PM. Biết NP = 5 cm và PM = 7 cm. Khi đó, độ dài đoạn thẳng EF A/ 4 cm B/ 5cm C/ 6 cm D/ 7cm
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