Các câu hỏi tương tự
chung to rang 12n+1 phan 30n+2 la phan so toi gian
chung to rang 12n+1/30n+2 la phan so toi gian
Chung minh rang \(\frac{12n+1}{30n+2}\)la phan so toi gian ( \(n\in N\))
Chung minh A la phan so toi gian 12n+1/30n+2
chung minh rang phan so 12n+3/30n+5 khong 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 to rang 12n+1/30n+2la phan so toi gian
Chung to rang 12n+1phan 30n+2 la phan so toi gian