Các câu hỏi tương tự
Tính 1-x.(x-1)+1/(x+1).(x+2)+1/(x+2).(x+3)+...+1/(x+2001).(x+2002)
mn giúp mình với
Giai phuong trinh:
\(\frac{x-4}{2000}+\frac{x-3}{2001}+\frac{x-2}{2002}=\frac{x-2002}{2}+\frac{x-2001}{3}+\frac{x-2000}{4}\)
GIUP MINH VOI MAI MINH HOC ROI
Giải phương trình:
a, x-1/2+x-1/4=1-2(x-1)/3.
b,2-x/2001-1=1-x/2002-x/2003
(x^2+x+1).3x+1/x+2=(x^2+x+1).x/2(x+2) Giup minh voi
Tim x: 3(x-1)^2 - 3x(x-5)=1 mn giup e voi a <3
1/(x+2000)(x+2001) + 1/(x+2001)(x+2002) +1/(x+2002)(x+2003) +........+ 1/(x+2006)(x+2007)= 7/8
Tim x, biet:
a)(x-3)^3-(x-3)(x^2+3x+9)+9(x-1)^2=15
b)(x^2-2)^2+4(x-1)^2-4(x^2-2)(x-1)=0
Giup minh voi!
\(\dfrac{x+1}{2004}+\dfrac{x+2}{2003}=\dfrac{x+3}{2002}+\dfrac{x+4}{2001}\)
1/(x+2000)(x+2001)+1/(2001)(x+2002)+...+1/(x+2009)(x+2010)=10/11