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huyentrang17092000
2 năm trước
Cho đường thẳng A: 3x - 4y+12 0, điểm A(2;3). Viết phương trình đường thăng d song song với A và cách điểm A một khoảng bằng 2 Bài này phải làm như thế nào ạ
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