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计算(1/2-1)×(1/3-1)×(1/4-1)×...×(1/2010-1)×(1/2011-1)*(1/2012-

来源:学生作业帮 编辑:神马作文网作业帮 分类:数学作业 时间:2024/09/25 00:40:05
计算(1/2-1)×(1/3-1)×(1/4-1)×...×(1/2010-1)×(1/2011-1)*(1/2012-1) 急
计算(1/2-1)×(1/3-1)×(1/4-1)×...×(1/2010-1)×(1/2011-1)*(1/2012-
(1/2-1)×(1/3-1)×(1/4-1)×...×(1/2010-1)×(1/2011-1)*(1/2012-1)
=(-1/2)*(-2/3)*(-3/4)×...×(-2010/2011)*(-20111/2012)
=1/2012