Ta có
\(A=\frac{2010.2010-1945}{2010.2010+65}
Ta có
\(A=\frac{2010.2010-1945}{2010.2010+65}
\(B=\frac{2009-\frac{2009}{2001}-\frac{2009}{2002}-\frac{2009}{2003}-\frac{2009}{2004}}{2010-\frac{2010}{2001}-\frac{2010}{2002}-\frac{2010}{2003}-\frac{2010}{2004}}:\frac{2009-\frac{2009}{2005}-\frac{2009}{2006}-\frac{2009}{2007}-\frac{2009}{2008}}{2010-\frac{2010}{2005}-\frac{2010}{2006}-\frac{2010}{2007}-\frac{2010}{2008}}\)
tính: 1/2000+2001+1/2001+2002+1/2002+2003+...+1/2009+2010
tính: 1/2000+2001+1/2001+2002+1/2002+2003+...+1/2009+2010
2000-2001+2002-2003+...+2010-2011+2012
Tính nhanh :
(98 . 7676 - 9898 . 76 ) : ( 2001 . 2002 ... . 2010 )
( 98 x 7676 - 9898 x 76 ) : ( 2001 x 2002 x........x 2010) = ?
Tính bằng cách hợp lí nhất : (98×7676-9898×76):(2001× 2002×2003...2010)
Tính bằng cách hợp lí : c) (98×7676 - 9898×76) ÷ (2001×2002×2003×...×2010)
(98 x 7676 - 9898 x 76) : (2001 x 2002 x 2003 x ... x 2010) =?