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Question

Tinh nhanh: 2005 x 2006 +4012 /

2005 x 2007 + 2007

Trà My · Accepted Answer

$\frac{2005x2006+4012}{2005x2007+2007}=\frac{2005x2006+4012}{2005x\left(2006+1\right)+2007}$

$=\frac{2005x2006+4012}{2005x2006+2005+2007}$

$=\frac{2005x2006+4012}{2005x2006+4012}$

$=1$

Câu trả lời:

$\frac{2005x2006+4012}{2005x2007+2007}=\frac{2005x2006+4012}{2005x\left(2006+1\right)+2007}$

$=\frac{2005x2006+4012}{2005x2006+2005+2007}$

$=\frac{2005x2006+4012}{2005x2006+4012}$

$=1$