2004/2005 x 200520052005/200320032003 x 20032003/20042004
=2004/2005 x 2005/2003 x 2003/2004
=1
\(\frac{2004}{2005}x\frac{200520052005}{200320032003}x\frac{20032003}{20042004}\)= \(\frac{2004}{2005}x\frac{2005x100010001}{2003x100010001}x\frac{2003x10001}{2004x10001}\)
= \(\frac{2004}{2005}x\frac{2005}{2003}x\frac{2003}{2004}\)= 1
20042005 x200520052005200320032003 x 2003200320042004
là một đó em
= 2004/2005 x 2005/2003 x 2003/2004
= 2004/2005 x 2005/2003 x 2003/2004
=1
k mk nhoa
\(\frac{2004}{2005}\)x \(\frac{200520052005}{200320032003}\)x\(\frac{20032003}{20042004}\)
=\(\frac{2004}{20042004}\)x\(\frac{200520052005}{2005}\)x\(\frac{20032003}{200320032003}\)
=\(\frac{1}{10001}\)x100010001x\(\frac{20032003}{200320032003}\)
=\(\frac{1x100010001x20032003}{10001x200320032003}\)
=\(\frac{100000001x20032003}{200320032003}\)
=10000
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