Các câu hỏi tương tự
tim cac so nguyen duong m va n sao cho 3m-1/2n va 3n-1/2m cung la so nguyen duong
cac ban giai ho minh nha
bai 1:tim so nguyen x sao cho gia cua cac phan so la so nguyen
a)x+3/x-2
b)x2+3x-2/x+2
chu y:dau / la dau chia trong phan so
bai 2:cho A=2n+1/n-2 voi n la so nguyen
a)tim n de a la phan so
b)tim n de A nguyen
c)tinh gia tri cua A biet:n=2;1;-2;-1
giup minh voi minh dang can.Ai dung minh tick cho
1) Cho bieu thuc : A= 2n +1 /n-3 + 3n-5/ n-3 - 4n-5 /n-3
a)Tim so nguyen n de A nhan gia tri nguyen
b) Tim n de A la phan so toi gian
cho A=12n+1/2n+3.tim gia tri n de:A la 1 so nguyen
tim so nguyen n sao cho 2n + 1/n - 5 la so nguyen
n la so nguyen duong so du cua A=n+111...1-7 (2n cs 7) khi chia cho 3
Cho phan so A = 2n-1/n+3
Tim so nguyen n de A co gia tri la 1 so nguyen
pls, lam nhanh cho minh,mai di hoc :(. Thanks truoc
1 . cmr : n+1/n-2 toi gian
2 . cho A = n+10 / 2n-8 . tim cac so nguyen de A la phan so
CHO A= 4n + 1 / 2n + 3 ( n thuoc Z)
a. tim so nguyen n đe A dat gia tri nho nhat
b. tìm số nguyên n để A la so nguyen