sao bạn lại biết trước đề thi hay vậy???????????
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ki hieu [x] la so nguyen lon nhat khong vuot qua x .So nguyen x thoa man [7x-5/3]=-2
minh can gap dang thi cap truong
ki hieu [x] la so nguyen lon nhat khong vuot qua x .So nguyen x thoa man [7x-5/3]=-2
minh can gap dang thi cap truong
Tim cac so nguyen thoa man (x+y)^2=(x-1)(y+1)
tim cap so nguyen (x;y) thoa man : |x+2| + (y+2)2 = 3 - |x+1|
tim so nguyen duong x,y thoa man : x^2=1!+2!+3!+....+y!
tim moi so nguyen to thoa man x^2-2y^2=1
tim cap so nguyen (x, y)thoa man 2y2= 5-/x-1/
tim moi so nguyen to thoa man x^2-2y^2=1
Bai 1;
Tim moi so nguyen to thoa man; x^2-2y^2=1