Các câu hỏi tương tự
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.
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 phan so a/35
a, tim so nguyen to a de a/35 rut gon duoc
b, Tim cac so a biet phan so do la phan so toi gian nho nhat hon 1
tim tat ca cac so tu nhien n de phan so n+3/n -12 la phan so toi gian
Chao cac ban hoc sinh lop 6 cu o cac truong khac, Toi la Tran Duy Anh, hoc sinh lop 6A3 cu, nay toi hoc lop 7 moi, Truong THCS Ly Tu Trong, Ngo Quyen, Hai Phong. Nay toi se dua cho cac ban mot bai toan sau. Cac ban hay suy nghi that ki nhe
Tim so nguyen n de phan so sau co gia tri nguyen
n + 5 / n + 2
tim so nguyen duong nho nhat de khi nhan no voi moi mot trong cac phan so toi gian 3/4, -5/11, 7/12 deu duoc tich la nhung so nguyen
tim so nguyen duong nho nhat de khi nhan no voi moi mot trong cac phan so toi gian 3/4;-5/11;7/12 deu duoc ket qua la nhung so nguyen
cho A=n-5/n+1 n thuoc z va n khac -1
a, tim n deA co gia tri ngyen
b, tim n de A la phan so toi gian
minh can gap cac ban lam mau len!!!!!!!!!!!!!!!!!!!!!!!!!
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