Các câu hỏi tương tự
Tính giá trị biểu thức
A=(2008+2007/2+2006/3+...............+3/2006+2/2007+1/2008):(1/2+1/3+.....+1/2008+1/2009)
2008+2007/2+2006/3+...+2/2007+1/2008
1/2+1/3+1/4+...1/2008+1/2009
2008/1+2007/2+2006/3+....+2/2007+1/2008
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1/2+1/3+1/4+.....+1/2008+1/2009
(2008+2007/2+2006/3+2005/4+....+2/2007+1/2008) / (1/2+1/3+1/4+...+1/2009)
A=2008+2007/2+2006/3+2005/4+......+2/2007+1/2008 tất cả trên 1/2+1/3+1/4+1/5+......+1/2008+1/2009
2008+2007/2+2006/3+2005/4+2005/5+........................3/2006+2/2007+1/2008
1/2+1/3+1/4+1/5+....................+1/2009
2008+2007/2+2006/3+2005/4+2005/5+........................3/2006+2/2007+1/2008
1/2+1/3+1/4+1/5+....................+1/2009
M = 2008 + 2007/2 +2006/3 +...+2/2007 +1/2008
N = 1/2+1/3+1/4+1/5+...+1/2008+1/2009
tính M : N
tính nhanh
A=2008+2007/2+2006/3+2005/4+…..+2/2007+1/2008
1/2+1/3+1/4+1/5+…..+1/2007+1/2008