Mathematics, 14.08.2021 15:10 alishafelix9122
Trong mặt phẳng tọa độ Oxy cho đường thẳng d: x + y − 2 = 0. Tìm ảnh của d qua phép quay tâm O góc 60◦
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Trong mặt phẳng tọa độ Oxy cho đường thẳng d: x + y − 2 = 0. Tìm ảnh của d qua phép quay tâm O góc 6...
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