-4因为-1《2007》=-1
-1《2008》=1
0.25*4=1所以-0.25《2008》*-4《2008》=1
2007 2008 2008 2009 (-1) +(-1) +(-0.25) *(-4) 是多少?
1个回答
相关问题
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(-0.25)^2007*4^2008+(-1)^2008+(-1)^2009
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(-1)^2007+(-1)^2008+(-0.25)^2008*(-4)^2009是不是=于-4
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|1/2009-1/2008|-|1/2008-1/2007| =1/2008-1/2009-1/2007+1/2008
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2008+2009*2007/2008*2009-1
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2007X2009X(1/2007X2008+1/2008X2009)等于多少啊,
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(1+1/2007+1/2008)*(1/2007+1/2008+1/2009)-(1+1/2007+1/2008+1/
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2008+2009×2007/2008×2009-1
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化简：|1/2010-1/2009|+|1/2009-1/2008|+|1/2008-1/2007|-|1/2007-1
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(2008x)X(2008x)-2007X2009x-1=0
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2009*2007+1/2008=?