Cho cac bieu thuc
A=n+6 phan n-5 va B=3n-9 phan n-6
a/ Tim gia tri nguyen cua n de A, B la phan so ?
b/ Tim gia tri nguyen cua n de A, B co gia tri nguyen?
c/ Tim gia tri nguyen cua n de A, B co gia tri nguyen lon nhat?
tim tat ca cac so nguyen n de bieu thuc A=2n-3/n-2 dat gia tri lon nhat
cho bieu thuc 2n+1/n+5(n thuoc Z)
a, tim n de Pco gia tri la 1 so nguyen
b,tim gia tri lon nhat,gia tri nho nhat cua P
tim x nguyen de cac bieu thuc sau dat gia tri nho nhat : x+5/x-4
bai 1 tim x nguyen de cac bieu thuc sau dat gia tri nho nhat
D=x+5 phần x-4
a) Tim so nguyen n de bieu thuc de n-1 la uoc cua 5
b) Tim so nguyen m de bieu thuc : A = -5/m-1 co gia tri nguyen voi n khong =1
Chu y :may ban lam 2 cau ruj minh tick cho ha
cho bieu thuc D=\(\frac{2N+7}{N+3}\)[N thuoc z, n khac 3] tim cac gia tri cua n de D la so nguyen
tim de bieu thuc sau co gia tri nguyen a=n+1/n-3
Tim x nguyen de bieu thuc sau dat gia tri lon nhat
a,P= 2010 - (x + 1)2008
