1/24+1/120+1/360+1/840+1/630=?

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1/24+1/120+1/360+1/840+1/630=?1/24+1/120+1/360+1/840+1/630=?1/24+1/120+1/360+1/840+1/630=?1/181/181/

1/24+1/120+1/360+1/840+1/630=?
1/24+1/120+1/360+1/840+1/630=?

1/24+1/120+1/360+1/840+1/630=?
1/18

1/18

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

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

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

用计算器

1/24+1/120+1/360+1/840+1/630=? 简便计算：1/8+1/24+1/48+1/120 1/24+1/120+1/360+1/840的解法,请哪位哥哥, 1/8+1/24+1/48+1/80+.+1/360 = 1+3又1/8+5又1/24+7又1/48+9又1/80+11又1/120+13又1/168+15又1/224+17又1/288+19又1/360谁会?帮帮忙~~~~ 1+3又1/8+5又1/24+7又1/48+9又1/80+11又1/120+13又1/168+15又1/224+17又1/288+19又1/360 (1/8+1/24+1/48+1/80+1/120+1/168+1/224)*64= (1/8+1/24+1/48+1/80+1/120+1/168+1/224)乘64 (31/360-1/18)/1/24 (1/8+1/24+1/48+1/80+1/120+1/168)简便计算 （1/8+1/24+1/48+1/80+1/120+1/168）乘以56 （8/1+24/1+48/1+80/1+120//1+168/1）*42 1/8+1/24+1/48+1/80+1/120+1/168 （1/8+1/24+1/48+1/80+1/120+1/168）*56 42x(8/1+24/1+48/1+80/1+120/1+168/1)=?求求 42X（1/8+1/24+1/48+1/80+1/120+1/168）求解 42*（1/8+1/24+1/48+1/86+1/120+1/168） 简便方法 1+3/1/8+5/1/24+7/1/48+9/1/80+.+19/1/360怎样算