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thanhha8581
2 năm trước
cho hàm số bậc nhất y=(-2m+5).x+3 và y=(m+1).x+2 tìm giá trị của m để đò thị của2 hàm số đã cho là: a)2 đường thẳng cắt nhau b)2 đường thẳng song song với nhau cảm ơn
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