计算:a=2002+2001x2002+2001x2002^2+……+2001x2002^2001.好心的帮我解下.
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计算:a=2002+2001x2002+2001x2002^2+……+2001x2002^2001.好心的帮我解下.计算:a=2002+2001x2002+2001x2002^2+……+2001x20
计算:a=2002+2001x2002+2001x2002^2+……+2001x2002^2001.好心的帮我解下.
计算:a=2002+2001x2002+2001x2002^2+……+2001x2002^2001.好心的帮我解下.
计算:a=2002+2001x2002+2001x2002^2+……+2001x2002^2001.好心的帮我解下.
2002+2001x2002=2002^2
2002+2001x2002+2001x2002^2=2002^3
…………………………………………………………………
a=2002+2001x2002+2001x2002^2+……+2001x2002^2001.=2002^2002
a=1+2001x(1+2002+2002^2+2002^3+...)
括号内是等比数列,用等比数列求和公式可以算出
=1+2001x2002^0+2001x2002^1+2001x2002^2+……+2001x2002^2001
=1+2001x(2002^0+2002^1+2002^2+……+2002^2001)
=2002^2002
计算:a=2002+2001x2002+2001x2002^2+……+2001x2002^2001.好心的帮我解下.
a=2001²+2001²x2002²+2002²证明完全平方急
计算2001x2002分之1+2002x2003分之1+2003x2004分之1+2004x2005分之1+2005分之=?
100/2001x2002+100/2002x2003+100/2003x2004-|-(-100/2001-100/2004)|的计算过程
用简便方法计算:2001^2-2000x2002
2005x2004-2004x2003+2003x2002-2002x2002+...+3x2-2x1=
2001x2003(2001x2002分之1+2002x2003分之1)=多少
2004x2003-2003x2002+2002x2001-2001x2000+...+2x1=多少,
2003x2002-2002x2001-2001x2000-2000x1999+.+3x2-2x1=?简便运算
2004x2002/2003简便计算
2001x2003x(1/2001x2002+1/2002x2003)
观察1+3等于4.4+5等于9.9+7等于16.找出规律写2001X2001+()=2002X2002
一个自然数a恰好等于另一个自然数b的平方,则称自然数a为完全平方数已知a=2001^2+2001^2x2002^2+2002^2证明,a是一个完全平方数
六年级分数除法应用计算:1/1X2+1/2X3+1/3X4+1/4X5+.+1/2000X2001+1/2001X2002=?怎么简便
如果a=2000x+2001,b=2000x2002,c=2000x+2003,求a²+b²+c-²ab-bc-ca的值
2007X2006-2006x2005+2005X2004-2004X2003+2003X2002-2002X2001=( 簡便
1/1x2+1/2x3+1/3x4+1/4x5...1/2001x2002 简便计算
已知:|X1-1|+|X2-2|+|X3-3|+.+|X2002-2002|+|X2003-2003|=0 求:2^X-2^X2-2^X3-.-2^X2002+2^X2003的已知:|X1-1|+|X2-2|+|X3-3|+.+|X2002-2002|+|X2003-2003|=0求:2^X-2^X2-2^X3-.-2^X2002+2^X2003的值,(说明:类似X2003中后面的2003应为X的下标)