lord of the rings pdf:1/24+1/120+1/360+1/840+1/630=?

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1/18

是需要过程的:
70/1680+14/1680+1/360+2/1680+1/630
=86/1680+1/360+1/630
=43/840+1/360+1/630
=129/2520+7/2520+4/2520
=140/2520
=1/18

35/840+1/840+1/360+3/360+1/630
=36/840+4/360+1/630
=3/70+1/90+1/630
=3/70+7/630+1/630
=3/70+8/630
=3/70+4/315
=135/3150+40/3150
=175/3150
=1/18

70/1680+14/1680+1/360+2/1680+1/630
=86/1680+1/360+1/630
=43/840+1/360+1/630
=129/2520+7/2520+4/2520
=140/2520
=1/18

用计算器

1/18

1/24+1/120+1/360+1/840+1/630=? 1/24+1/120+1/360+1/630 1/24+1/120+1/360+1/840+1/630= 最简单的方法 1/24+1/120+1/360+1/840+1/630= 最简单的方法 怎么做 1/6+1/24+1/60+1/40= 1/4+1/12+1/24+1/40+……+1/19800=? 计算:1 /{1+1/[1+1/(1+.....)]} 1/6 =1/( )+1/( )+1/( ) (1/2005-1)(1/2004-1)........(1/3-1)(1/2-1) 在括号内填从4到23的不同的整数，使等式成立：1=1/3+1/( )+1/( )+1/( )+1/( )+1/( )+1/( )+1/24