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copeknaodua2910
2 năm trước
Cho 2 điểm M ,N thuộc tia Ox sao cho OM = 12 cm , ON = 5cm a ) Tính đoạn MN ? b ) Lấy điểm P ∈ Ox sao cho OP = 4cm . Tính PM , PN C ) Điểm N có nằm giữa 2 điểm P, M không ? vì sao ? d ) So sánh NM , NP?
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