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Mathematics, 25.07.2021 20:00 neellllllss

Cho lục giác đều ABCDEF có tâm O . Khẳng định nào sau đây là sai? A. Phép vị tự tâm O tỉ số 1 biến tam giác OEF thành tam giác OBC B. Phép tịnh tiến theo vecto AB biến tam giác OEF thành tam giác ODC C. Phép đối xứng qua CF biến tam giác OEF thành tam giác OAF D. Phép tịnh tiến theo vecto OE biến tam giác OEF thành tam giác BOA

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Cho lục giác đều ABCDEF có tâm O . Khẳng định nào sau đây là sai? A. Phép vị tự tâm O tỉ số 1 biến...
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