Mathematics, 23.10.2021 14:00 keigleyhannah30

Cho tứ diện ABCD. Điểm E là điểm thuộc miền trong tam giác ACD, điểm K là điểm thuộc miền trong tam giác ABC. Xác định giao điểm F của đường thẳng DK với mặt phẳng (ABE).

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Cho tứ diện ABCD. Điểm E là điểm thuộc miền trong tam giác ACD, điểm K là điểm thuộc miền trong ta...

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