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khanhlinha3k29
1 năm trước
Tìm hai số hữu tỉ x và y (y khác 0) biết rằng: x-y=x ×y=x:y Cho hàm số f(x)=ax (1) a)Với a=2,tính f(-2);f(3) b)Tìm a để đồ thị hàm số (1) đi qua điểm M( -1/2;3)
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