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Rút gọn ta có:
\(=\frac{2003}{2004}x\frac{2003}{2005}x\frac{2004}{2005}\)
\(=\frac{2003x2003x2004}{2004x2005x2005}\)
Giản bước ta được: \(\frac{2003x2003}{2005x2005}\)
Ta có : \(\frac{2003}{2004}\)x\(\frac{200320032003}{200520052005}\)x\(\frac{20042004}{20052005}\)
= \(\frac{2003}{2004}\)x\(\frac{2003x100010001}{2005x100010001}\)x\(\frac{2004x10001}{2005x10001}\)
= \(\frac{2003x2003x2004}{2004x2005x2005}\)
= \(\frac{2003x2003}{2005x2005}\)
Bạn rút gọn hộ mik nhaa !!!
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\(\frac{2004}{2005}\) x \(\frac{200520052005}{200320032003}\)x \(\frac{20032003}{20042004}\)= \(\frac{2004}{2003}\) X \(\frac{20032003}{20042004}\)
= 1
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Ta có:
\(\frac{2004}{2005}\times\frac{200520052005}{200320032003}\times\frac{20032003}{20042004}\)
\(=\frac{2004}{2005}\times\frac{2005}{2003}\times\frac{2003}{2004}\)
\(=\frac{2004\times2005\times2003}{2005\times2003\times2004}=1\)
Vậy giá trị biểu thức là 1
=2004/2005 x 2005/2003 x 2003/2004
=(2004x2005x2003)/(2005x2003x2004)
=1
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\(\frac{2014}{2015}x\frac{200520052005}{200320032003}x\frac{20032003}{20042004}=1\)nha bạn
Trong Violympic chứ gì, vòng 3 bài Cóc Vàng Tài Ba!
K mik nha!
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2004/2005 x 200520052005/200320032003 x 20032003/20042004
=2004/2005 x 2005/2003 x 2003/2004
=1
Ta có : \(\frac{2004}{2005}\times\frac{200520052005}{200320032003}\times\frac{20032003}{20042004}\)
\(=\frac{2004}{2005}\times\frac{2005}{2003}\times\frac{2003}{2004}\)
\(=\frac{2004\times2005\times2003}{2005\times2003\times2004}\)
\(=1\)
... Bài này lúc đầu có vẻ hơi hại não ík nhỷ Dao Trong Tin !!
\(\frac{2004}{2005}x\frac{200520052005}{200320032003}x\frac{20032003}{20042004}\)
\(=\frac{2004}{2005}x\frac{2005}{2003}x\frac{2003}{2004}\)
\(=\frac{2003x2004x2005}{2003x2004x2005}\)
\(=1\)