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Mathematics, 24.07.2021 15:50 jes69

cho hình chóp tứ giác đều SABCD có đáy ABCD là hình vuông cạnh a , cạnh bên SA=2a . Tính khoảng cách giữa hai đường thẳng AB và SC

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cho hình chóp tứ giác đều SABCD có đáy ABCD là hình vuông cạnh a , cạnh bên SA=2a . Tính khoảng cách...

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