cho A=n-1/n-4

tim n nguyen de A la mot phan so

tim n nguyen de n la mot so nguyen

Cho A= n-1/n+4

a) Tim n nguyen de A la mot phan so

b) Tim n nguyen de A la mot so nguyen

cho A=n-1/n+4 

   a) tim n nguyen de A la mot phan so  

   b) tim n nguyen de A la mot so nguyen      

Cho A = n-1/n+4

a,tim n de A la so nguyen to 

b,tim n nguyen de A la mot so nguyen

cho A=n-1\n+4

a) tim n nguyen de A nguyen

b) tim n de A la mot so phan so 

Trinh bay bai toan ho minh nhe

Cho bieu thuc A = 3/n-2

a) Tim cac so nguyen n de bieu thuc A la phan so

b) Tim cac so nguyen n de A la mot so nguyen

Cac giup minh nhe minh dang can gap.

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Cho A=n+3/n+2 voi n€z

a)tim dieu kien cua so nguyen n de A la phan so

b)tinh gia tri cua phan so A khi n=1;n=-1

c)tim so nguyen n de phan so A co gia tri la so nguyen

tim so nguyen n de A=3n+2chia cho n co gia tri la mot so nguyen