簡算,2007/2007^2-2008乘2006
題目:
簡算,2007/2007^2-2008乘2006
解答:
2007/2007^2-2008乘2006
=2007/(2007^2-(2007+1)(2007-1))
=2007/(2007^2-2007^2+1)
=2007/1
=2007
題目:
簡算,2007/2007^2-2008乘2006
解答:
2007/2007^2-2008乘2006
=2007/(2007^2-(2007+1)(2007-1))
=2007/(2007^2-2007^2+1)
=2007/1
=2007
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