Các câu hỏi tương tự
Cho A =n-2 / n+5
a,Tinh gia tri cua B=(n+5)2016+2015 khi A dat gia tri nho nhat
cac ban trinh bay cach lam ho minh nhe
thanks
Tinh gia tri cua bieu thuc \(D=\frac{1}{6}+\frac{1}{10}+\frac{1}{15}+\frac{1}{21}+\frac{1}{28}+\frac{1}{36}+\frac{1}{45}\)
Nho giai va trinh bay cach lam cho minh luon nha ^_^
Tinh gia tri cua bieu thuc \(D=\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+...+\frac{1}{200}\)
Nho giai va tring bay cach lam cho minh luon nha ^_^
gia tri cua x de a=(-3-x)^2+5 dat gia tri nho 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.
cho bieu thuc 2n+1/n+5(n thuoc Z)
a, tim n de Pco gia tri la 1 so nguyen
b,tim gia tri lon nhat,gia tri nho nhat cua P
tim gia tri nho nhat cua B=|x +2015|+2016
tim gia tri lon nhat cua C=1982-|x-6|
tim gia tri lon nhat cua A=2018-/x-7/-/y+2/
tim gia tri nho nhat cua B /x-500/+/x-300/
tim n thuoc Z,biet: a,3.n+2 chia het cho n-1; b, n^2 +5 chia het cho n+1
Tim gia tri nguyen cua n de cac bieu thuc sau dat gia tri nguyen:
a) A = 1200/n-1
b) B = -1500/n+1