Các câu hỏi tương tự
cho bieu thuc :A=2n+1/n-3+3n-5/n-3-4n-5/n-3.a, tim n de a nhan gia tri nguyen .b,tim n de a la phan so toi gian
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 bieu thuc:P= 2n+1/n-3 + 3n-5/n-3 + 4n-5/n-3
a) tim n de P nhan gia tri nguyen
b)tim n de P la phan so toi gian
tim so tu nhien n de phan so A=\(\frac{8n+193}{4n+3}\)
a,co gia tri la so tu nhien
b, la phan so toi gian
Cho: A= \(\frac{n+1}{n-3}\)
a) Tim nde A la phan so.
b) Tim n de A la phan so toi gian.
c) Tim n de A co gia tri lon nhat.
cho phan so \(B=\frac{4n+1}{2n-3}\)n thuoc z
a, tim n de phan so B toi gian
b, tim n de B dat gia tri nho nhat , gia tri lon nhat va tinh cac gia tri do.
bai 1
a, chung to rang 2n+5/n+3, ( n thuoc N ) la phan so toi gian
b, tim gia tri nguyen cua n de B= 2n+5/n+3 co gia tri la so nguyen
bai 2
tim so tu nhien nho nhat sao khi chia cho 3 du 1 cho 4 du 2 cho 5 du 3 cho 6 du 4 va chia het cho 11
Tim cac so tu nhien n de cac phan so sau la phan so toi gian:
a)2n+3/4n+1 b) 3n+2/7n+1 c)2n+7/5n+2
tim so tu nhien n de phan so A=8n+193/4n+3
a. Co gia tri la so tu nhien
b.La phan so toi gian