Mathematics, 25.07.2021 14:00 ChristLover2863
Trong mặt phẳng tọa độ Oxy cho hai đường thăng song song a và a' lần lượt có phương trình 2x - 3y-1=0 và 2x - 3y +5= 0. Phép tịnh tiến theo vectơ nào để biến a thành a'
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Trong mặt phẳng tọa độ Oxy cho hai đường thăng song song a và a' lần lượt có phương trình 2x - 3y-1=...
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