(-2008)(1/2002-1)(1/2001-1)(1/2000-1).(1/1002-1)(1/1001-1)=( )括号之间是乘号
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(-2008)(1/2002-1)(1/2001-1)(1/2000-1).(1/1002-1)(1/1001-1)=()括号之间是乘号(-2008)(1/2002-1)(1/2001-1)(1/20
(-2008)(1/2002-1)(1/2001-1)(1/2000-1).(1/1002-1)(1/1001-1)=( )括号之间是乘号
(-2008)(1/2002-1)(1/2001-1)(1/2000-1).(1/1002-1)(1/1001-1)=( )
括号之间是乘号
(-2008)(1/2002-1)(1/2001-1)(1/2000-1).(1/1002-1)(1/1001-1)=( )括号之间是乘号
(-2008)(1/2002-1)(1/2001-1)(1/2000-1).(1/1002-1)(1/1001-1)
=(-2008)(-2001/2002)(-2000/2001)(-1999/2000).(-1001/1002)(-1000/1001)
=(-2008)(1000/2002)
=-1004000/1001
计算1/2000*2002+1/2002*2004+1/2004*2006+1/2006*2008+1/2008*2010
(1+1/2002+1/2004+1/2006)*(1/2002+1/2004+1/2006+1/2008)-(1+1/2002+1/2004+1/2006+1/2008)*(1/2002+1/2004+1/2006)
问题中说的不全,应是(1+1/2002+1/2004+1/2005)(1/2002+1/2004+1/2006+1/2008)-(1-1/2002+1/2004-1/2006+1/2008)(1/2002+1/2004+1/2006
(1+1/2002+1/2004+1/2006)X(1/2002+1/2004+1/2006+1/2008)X(1/2002+1/2004+1/2006)答对可获赏金
1/2000*2001+1/2001*2002+1/2002*2003+...+1/2007*2008=?1/2000*2001+1/2001*2002+1/2002*2003+1/2003*2004+1/2004*2005+1/2005*2006+1/2006*2007+1/2007*2008=?
1/1*4+1/4*7+1/7*10+.1/2002*2005+1/2005*2008
简便运算(1-1/2002)+(1-1/2002*2)+(1-1/2002*3)+.+(1-1/2002*2001)+(1-1/2002*2002)(1-1/2002)+(1-1/2002*2)+(1-1/2002*3)+.+(1-1/2002*2001)+(1-1/2002*2002)
2002*2009-1分之2008+2007*2009 简算
求教奥数计算题求1/(1/2002+1/2003+1/2004+...+1/2008的整数部分?
2002/2002又2002/2003+1/2004
2002/(2002+2002/2003)+1/2004
计算1/2000*2001+1/2001*2002+1/2002*2003···+1/2007*2008简便计算
(2008-1)×(2008+1)
巧算:(1-1/2002)+(2-1/2002*2)+.+(2002-1/2002*2002)
(2002/2+2002/4+2002+6+...+2002/2002)-(2002/1+2002/3+2002/5+...+2002/2001)算清楚!
(2/2002+4/2002+6/2002+...+2002/2002)-(1/2002+3/2002+5/2002+...2001/2002)
计算:1/1×4+1/4×7+1/7×10+……+1/2002×2005+1/2005×2008
(-0.2)^2002X5^2002+(-1)^2002+(-1)^2001等于多少