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smallweakboy27
2 năm trước
Cho hàm số y = ax (a 0) đi qua điểm A(1; -2) a) Xác định giá trị của a? b) Vẽ đồ thị hàm số trên với a vừa xác định. c) Điểm B(-2;4) ,C(-1 ;-2) có thuộc đồ thị hàm số đó không
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