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vohoangnhan06
2 năm trước
Bài 3: (1,5đ) Tính giá trị của biểu thức: (69 - 85). x -( -28 +47). y ; với x = 5, y = -6 Bài 4: (0,5đ) Tìm số nguyên n sao cho 3n + 2 chia hết cho n - 1
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