Các câu hỏi tương tự
tim a,b thuoc z de ab-2a-b=3
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=27a-37/4-5a.
a,tim a de A=2.
b,Tim a thuoc Z de A thuoc Z.
c,Tim a thuoc Z de A co gia tri lon nhat
A=2n-1/n+3 Tim n thuoc Z de A thuoc Z
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
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.
cho A = 1/15 nhan 225/(8+2) + 3/14 nhan 196/(3x+6) (x thuoc Z; x khac -2 )
a) Rut gon A
b) Tim x thuoc Z de A thuoc Z
c) trong cac gia tri nguyen A tim gia tri lon nhat va gia tri nho nhat
Cho phan so: P = \(\frac{2n+7}{5n+2}\)(n thuoc Z)
a)Tim n thuoc z de P la phan so chua toi gian.
b)Tim n thuoc Z sao cho P la phan so toi gian.