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thanhhien81
2 năm trước
Bài 1:Tìm một số tự nhiên n nhỏ nhất có ba chữ số, biết rằng số đó chia cho 5 có dư là 2; chia cho 7 có dư là 4. Bài 2: Cô giáo có 133 quyển vở; 80 bút bi, 170 tập giấy. Sau khi chia đều thành các phần còn dư 13 quyển vở; 8 bút bi và 2 tập giấy. Tính số phần và mỗi thứ trong một phần.
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