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tuanbadinh2000
2 năm trước
Viết các tập hợp sau bằng cách chỉ ra tính chất đặc trưng cho các phần tử của tập hợp: A= { 1; 3 phần 2; 2; 5 phần 2; 3; 7 phần 2; 4 }
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