Chục, Số, Đ.Vị. 02,1,4,7, 0, 02. 8, 1, 0,3. 4, 2, 7,82. 1,4,6, 3, 5. 4, 0,2,3,6. 3,5, 5, 5,8. 4,6, 6, 3,6. 2, 7, 0. 22,5, 8, 1.
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