
(1+1/2)×+(1+1/4)×(1+1/6)×......(1+1/10)×(1-1/3)(1-1/5)×......×(1-1/9)
1个回答
展开全部
(1+1/2)×(1+1/4)×(1+1/6)×......(1+1/10)×(1-1/3)(1-1/5)×......×(1-1/9)
=3/2×5/4×7/6×9/8×11/10×2/3×4/5×6/7×8/9
=11/10
=3/2×5/4×7/6×9/8×11/10×2/3×4/5×6/7×8/9
=11/10
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询