Tính \(A=\frac{1}{2016}+\frac{3}{2016}+\frac{5}{2016}+...+\frac{2015}{2016}\)
Tim so tu nhien x biet
0<x<\(\frac{1}{2}\) + \(\frac{1}{3}\)+ \(\frac{1}{4}\)
(1-\(\frac{1}{2}\))x (1-\(\frac{1}{3}\))x(1-\(\frac{1}{4}\))x(1-\(\frac{1}{5}\))x......x(1-\(\frac{1}{2016}\))
Help me
x + \(\frac{2}{5}\) = 1- \(\frac{1}{6}\)
\(\frac{7}{8}\) - x = \(\frac{2}{3}\) + \(\frac{1}{8}\)
Tim x biet
\(\frac{1}{2}\)x \(\frac{2}{3}\) x \(\frac{3}{4}\) x \(\frac{5}{6}\) x ...........x \(\frac{2013}{2014}\)x \(\frac{2014}{2015}\)x \(\frac{2015}{2016}\)
mong các bạn hãy giải giúp mình nha ai đúng và nhanh nhất dược minh cho 7 k
Tim chu so tan cung cua tong
1 x 2 + 2 x 3 + 3 x 4 + 4 x 5 + 5 x 6 + ...... + 2015 x 2016
tim x biet
a\(\frac{3}{5}:\frac{7}{x}:\frac{3}{4}=\frac{8}{35}\)
b,\(x< \frac{7}{12}:\frac{4}{5}\)
tim gia tri cua phan so m/n biet rang m+ n= 2016
Bài 1: So sánh bằng cách hợp lí:
a)\(\frac{2016}{2017}\)và \(\frac{2017}{2018}\)
b) \(\frac{2018}{2017}\)và \(\frac{2017}{2016}\)
Bài 2: Tính nhanh
\(\frac{1}{1\cdot3}\)+ \(\frac{1}{3\cdot5}\)+\(\frac{1}{5\cdot7}\)+....+\(\frac{1}{101\cdot103}\)