化简 |1/2010-1/2009|+|1//2009-1/2008|+|1/2008-1/2007|-|1/2007-
化简:|1/2010-1/2009|+|1/2009-1/2008|+|1/2008-1/2007|-|1/2007-1
2010*2009-2009*2008+2008*2007-2007*2006.+2*1
计算:|1/2008-1/2007|+|1/2009-1/2008|+|1/2010-1/2009|-|1/2010-1
(2008+2007*2009/2008*2009-1)+(2009+2008*2010/2009*2008-1)
2008+2009*2007/2008*2009-1
2008×2009-1分之2008+2009×2007
数学题哈化简 |1/2010-1/2009|+|1//2009-1/2008|+|1/2008-1/2007|-|1/2
根号2007×2008×2009×2010+1/4
1/2009—1/2010+1/2008-1/2009+1/2007-1/2008+1/2006-1/2007+1/20
1/2010-1/2009 的绝对值+1/2009-1/2008的绝对值+1/2008-1/2007
2008*2009-1分之2008+2007*2009+2009*1010-1分之2009+2008*2010用巧算
2009又1/2007*2007/2008