
2个回答
展开全部
2005×2003/2004
=(2004+1)×2003/2004
=2004×2003/2004+1×2003/2004
=2003+2003/2004
或者2005×2003/2004
=(2004+1)×2003/2004
=2004×2003/2004+1×2003/2004
=2003+2003/2004
=2004-1+2003/2004
=2004-(1-2003/2004)
=2004-(2004/2004-2003/2004)
=2004-1/2004
=(2004+1)×2003/2004
=2004×2003/2004+1×2003/2004
=2003+2003/2004
或者2005×2003/2004
=(2004+1)×2003/2004
=2004×2003/2004+1×2003/2004
=2003+2003/2004
=2004-1+2003/2004
=2004-(1-2003/2004)
=2004-(2004/2004-2003/2004)
=2004-1/2004
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