đề thi khối d năm 2011

Ngày tải lên: 09/08/2014, 04:22

... reason C. turned C. push C. imagining C. brings C. due to C. shows C. taking D. nearly D. saying D. conclusion D. carried D. keep D. solving D. causes D. as well as D. serves D. stopping Read the following ... guests food and drinks. B. The hostess tried hard to please her guests. C. The guests refused the food and drinks prepared by the hostess. D. Neither the guests nor the hostess had food or drinks. ... much to do. B. Despite such a short day, we tend to complain having too much to do. C. Despite a short day, we tend to complain about too much to do. D. Despite such short day, we tend to complain...

Ngày tải lên: 02/10/2012, 12:02

Ngày tải lên: 05/03/2014, 12:21

... (1+x) 2011 = 20112 011 2011 20102010 2011 22 2011 1 2011 0 2011 xCxCxCxCC +++++ 0,25 Chọn x = -1 ta có: 2011 2011 3 2011 1 2011 2010 2011 2 2011 0 2011 CCCCCC +++=+++ Chọn x = 1 ta có: 20112 011 2011 2 2011 1 2011 0 2011 2 ... 2011! S= ! 1 ! 2010 !2011 ! 3 ! 2008 !2011 ! 2005 ! 6 !2011 ! 2007 ! 4 !2011 ! 2009 ! 2 !2011 +++++ = 2010 2011 2008 2011 6 2011 4 2011 2 2011 CCCCC +++++ 0,25 Khai triển (1+x) 2011 = 20112 011 2011 20102010 2011 22 2011 1 2011 0 2011 ... 20112 011 2011 2 2011 1 2011 0 2011 2 =++++ CCCC 0,25 III Do ñó: 20102010 2011 4 2011 2 2011 0 2011 2 =++++ CCCC Vậy S = ! 2011 12 2010 − 0,25 http://ebook.here.vn – Download Bài giảng...

Ngày tải lên: 21/07/2014, 23:21