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\(\left(\frac{1}{2}+\frac{1}{3}+...+\frac{1}{2014}\right).x=\frac{2013}{1}+\frac{2012}{2}+...+\frac{2}{2012}+\frac{1}{2013}\)Tìm x biết:
tìm x biết: \(\left(\frac{1}{2}+\frac{1}{3}+...+\frac{1}{2014}\right).x=\frac{2013}{1}+\frac{2012}{2}+...+\frac{2}{2012}+\)\(\frac{1}{2013}\)
(\(\left(\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+...+\frac{1}{2014}\right)x=\frac{2013}{1}+\frac{2012}{2}+...+\frac{2}{2012}+\frac{1}{2013}\)
tìm x
a , | 3 - 2x | = x + 1
b , \(\left(\frac{1}{2}+\frac{1}{3}+.....+\frac{1}{2014}\right).x=\frac{2013}{1}+\frac{2012}{2}+......+\frac{2}{2012}+\frac{1}{2013}\)
tìm x biết :
\(\frac{x+1}{2015}+\frac{x+2}{2014}=\frac{x+3}{2013}+\frac{x+4}{2012}\)
Các bạn nào trả lời nhanh nhé! Mình đang cần gấp lắm!
Tìm x biết :
a) \(|3-2x|=x+1\)
b) \(\left(\frac{1}{2}+\frac{1}{3}+...+\frac{1}{2014}\right).x=\frac{2013}{1}+\frac{2012}{2}+...+\frac{2}{2012}+\frac{1}{2013}\)
Tìm x biết : \(\left(\frac{1}{2}+\frac{1}{3}+...+\frac{1}{2004}\right)x=\frac{2013}{1}+\frac{2012}{2}+...+\frac{2}{2012}+\frac{1}{2013}\)
Tìm x, biết :
\(\frac{x-1}{2015}+\frac{x}{2014}+\frac{1}{503}=\frac{x-3}{2013}+\frac{x}{2012}+\frac{1}{1007}\)
Giups mik với ạ !! mik đang cần gấp !!
\(\left(1+\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+...+\frac{1}{2013}\right)x+2013=\frac{2014}{1}+\frac{2015}{2}+...+\frac{4025}{2012}+\frac{4026}{2013}\)