Mathematics, 22.10.2021 21:00 alex7598

cho ba điểm M, N,P thẳng hàng , trong đó điểm N nằm giữa hai điểm M, P. Khi đó các cặp vectơ nào sau đây cùng hướng?

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cho ba điểm M, N,P thẳng hàng , trong đó điểm N nằm giữa hai điểm M, P. Khi đó các cặp vectơ nào sau...