Các câu hỏi tương tự
chung to rang voi moi so nguyen n phan so 3n-5/3-2nla phan so toi gian
Chung minh cac phan so sau la phan so toi gian voi moi so nguyen n :A=12n+1 tren 30n+2
chung minh rang : Voi moi n thi phan so 7n+4/5n+3 la phan so toi gian .
cach lam bai : chung to rang moi phan so co dang n+2015/n+2016 ( voi n thuoc N ) deu la phan so toi gian
Giup to bai nay voi : Chung minh voi n thuoc N sao phan so sau la phan so toi gian 4n+1/6n+1
Cau 1: Chung minh rang cac phan so sau la phan so toi gian voi moi so nguyen?
a, 8n + 5 phan 6n + 4 b, n + 1 phan 2n + 3 c, 2n + 3 phan 3n + 5
Cau 2: Tim tat ca cac so tu nhien n de phan so sau la toi gian
a, n + 13 phan n - 2. b, 18n + 3 phan 21n + 7
Ai giai day du va nhanh thi mk se tick cho
chung minh rang:
tong hoac hieu cua mot so tn voi mot phan so toi gian la mot phan so toi gian
Chung minh tong cua 1so nguyen voi 1phan so toi gian la phan so toi gian
Chung minh rang moi phan so dang n+1/2n+3 ( n thuoc N ) deu la phan so toi gian.