Các câu hỏi tương tự
cho B=n/n-3(n thuoc Z , n khac 3)
tim tat ca cac gia tri nguyen cua n de B la so nguyen
CHo C= 3n+5.n+7(n thuoc Z, N khac -7)
tim tat ca cac gia tri nguyen cua n de C la so nguyen
tim tat ca cac gia tri nguyen cua n de phan so A=3n+2/n-1 co gia tri la so nguyen
tim tat ca cac gia tri nguyen cua n de A la so nguyen
Tim tat ca cac cap so nguyen x,y sao cho xy-2x+y+1=0
tim tat ca cac gia tri nguyen cua n de A la so nguyen
Tim tat ca cac cap so nguyen x,y sao cho
a) xy = 3
b) x(2y - 1)=8
tim tat ca cac so nguyen n de bieu thuc A=2n-3/n-2 dat gia tri lon nhat
tim tat ca cac cap so nguyen x, y sao cho : xy - 2x + y + 1 = 0
Tim tat ca cac cap so nguyen x,y sao cho
a) xy-2x-2y=0
b) 20x + 10y =2010