Mathematics, 09.09.2021 14:00 erieannapickett12

Cho hai đường thẳng song song d và d' có bao nhiêu phép đối xứng tâm biến d thành d'

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Cho hai đường thẳng song song d và d' có bao nhiêu phép đối xứng tâm biến d thành d'...