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 gia tri nguyen cua n de phan so A=3n+2/n-1 co gia tri la so nguyen
tim n thuoc n de cac phan so sau co gia tri nguyen 2n+3/7
tim so nguyen n de phan so 4n+5/2n-1 co gia tri la mot
so nguyen
TIM SO NGUYEN N DE PHAN SO 2N+1/N+2 CO GIA TRI SO NGUYEN
tim n thuoc z de phan so sau a=4n-1/2n+3 co gia tri nguyen
tim cac gia tri nguyen cua N de phan so A= 2n+5 phan n+3
tim cac gia tri nguyen cua n de phan so 6n-3 / 3n +1 co gia tri la so nguyen
A=n-1/n+2
a, Voi gia tri nao thi A la phan so
b, Tim so nguyen n de A=0
c,tim so nguyen n de A co gia tri nguyen