Các câu hỏi tương tự
Tìm x, biết : \(\frac{\frac{2016}{1}+\frac{2015}{2}+.....+\frac{1}{2016}2016}{1+\frac{1}{2}+\frac{1}{2}+....+\frac{1}{2016}}.x=\frac{-1}{5}\)
(\(\frac{1}{1.2}+\frac{1}{3.4}+\frac{1}{5.6}+......+\frac{1}{99.100}\) ). x =\(\frac{2016}{51}+\frac{2016}{51}+\frac{2016}{53}+....+\frac{2016}{100}\)
tìm x
Tìm x, biết:
\(2016x+x\frac{1}{2016}-2016=\frac{1}{2016}\)
phân tích, tính
A=(1-\(\frac{1}{2016}\))x(1-\(\frac{2}{2016}\))x....x(1-\(\frac{2017}{2016}\))
Các bạn giúp mình nha! Nhanh giùm mình nghen....mình tik cho:))
1/Tính nhanhP(1-frac{1}{2^2}) x (1-frac{1}{3^2}) x (1-frac{1}{4^2}) x ... x (1-frac{1}{50^2})2/Cho Q(1-frac{1}{2^2}) x (1-frac{1}{3^2}) x (1-frac{1}{4^2}) x ... x (1-frac{1}{40^2}) . So sánh Q với frac{1}{2}3/So sánh: A frac{2016^{2016}+1}{2016^{2017}+1}và B frac{2016^{2017}-3}{2016^{2018}-3}
Đọc tiếp
1/Tính nhanh
P=(1-\(\frac{1}{2^2}\)) x (1-\(\frac{1}{3^2}\)) x (1-\(\frac{1}{4^2}\)) x ... x (1-\(\frac{1}{50^2}\))
2/Cho Q=(1-\(\frac{1}{2^2}\)) x (1-\(\frac{1}{3^2}\)) x (1-\(\frac{1}{4^2}\)) x ... x (1-\(\frac{1}{40^2}\)) . So sánh Q với \(\frac{1}{2}\)
3/So sánh: A = \(\frac{2016^{2016}+1}{2016^{2017}+1}\)và B = \(\frac{2016^{2017}-3}{2016^{2018}-3}\)
\(\left(\frac{1}{2}+\frac{2015}{2016}+\frac{2016}{2017}+1\right)\left(\frac{2105}{2016}+\frac{2016}{2017}+\frac{7}{22}\right)-\left(\frac{1}{2}+\frac{2015}{2016}+\frac{2016}{2017}\right)\left(\frac{2015}{2016}+\frac{2016}{2017}+\frac{7}{22}+1\right)\)
Tìm x
\(\left(\frac{1}{2}-\frac{1}{2^2}+\frac{1}{2^3}-\frac{1}{2^4}+...+\frac{1}{2^{2015}}-\frac{1}{2^{2016}}\right):X=\frac{2015}{2016}\)
x ( x +1 ) ( x+2) ( x + 3 )...(x + 2016 ) = 2016 ( x > 0 )
CMR x < \(\frac{1}{2015!}\)
tìm x :\(\frac{x+2016}{-3}=\frac{-12}{x+2016}\)