tim m,n thuôc Z de 1/m + n/6 = 1/2
tim m,n thuoc N de m/2 - 2/n = 1/2
A=2n-1/n+3 Tim n thuoc Z de A thuoc Z
Cho A = \(\frac{n-1}{n-3}\)(n Khac 0)
a) Tim n thuoc Z de A thuoc Z
b) Tim n thuoc Z de A co gia tri
Cho A=n+1/n-2
a)Tim n thuoc Z de A co gia tri nguyen.
b)Tim n thuoc de A co gia tri nguyen lon nhat.
tim n thuoc Z de : 2n-1 chia het cho n-2
n-5/n+1(n thuoc Z;n khac -1)
tim n de n-5/2+1 lon nhat
Cho B=9n-1/3n+2
a) tim n thuoc Z de B nhan gia tri nguyen
b)tim n thuoc z de B nhan gia tri lon nhat
Giup mk nhanh nhanh nha
cho A=n+3\n-2 (n thuoc Z)
a) tim n de A la phan so
b) tim n de A thuoc Z
c) tim n biet A=-4
1)cho phan so A=\(\frac{n+1}{n-2}\)
a tim n thuoc Z de A co gia tri nguyen
b tim n thuoc Z de A co gia tri lon nhat