5/6+5/18+5/36+1/12+1/18+5/126+5/168+5/216+1/54=?
来源:学生作业帮 编辑:百度作业网作业帮 分类:数学作业 时间:2024/08/08 10:48:26
5/6+5/18+5/36+1/12+1/18+5/126+5/168+5/216+1/54=?
(1/2+1/4+1/6+1/8)-(1/3+1/6+1/9+1/12)+(1/4+1/8+1/12+1/16)-(1/5+1/10+1/15+1/20)=?
1/(1*3*5)+1/(3*5*7)+1/(5*7*9)+1/(7*9*11)+1/(9*11*13)=?
有过程的必有重赏
(1/2+1/4+1/6+1/8)-(1/3+1/6+1/9+1/12)+(1/4+1/8+1/12+1/16)-(1/5+1/10+1/15+1/20)=?
1/(1*3*5)+1/(3*5*7)+1/(5*7*9)+1/(7*9*11)+1/(9*11*13)=?
有过程的必有重赏
![5/6+5/18+5/36+1/12+1/18+5/126+5/168+5/216+1/54=?](/uploads/image/z/7522955-35-5.jpg?t=5%2F6%2B5%2F18%2B5%2F36%2B1%2F12%2B1%2F18%2B5%2F126%2B5%2F168%2B5%2F216%2B1%2F54%3D%3F)
5/6+5/18+5/36+1/12+1/18+5/126+5/168+5/216+1/54
=(5/6+5/18+5/36+1/12+1/18)+5/126+5/168+(5/216+1/54)
=(30/36+10/36+5/36+3/36+2/36)+5/126+5/168+(5/216+4/216)
=50/36+5/126+5/168+9/216
=(14288400+408240+306180+428652)/10287648
=1157360/10287648
=0.11249996111842084799168867364047
再问: 简便计算!!
=(5/6+5/18+5/36+1/12+1/18)+5/126+5/168+(5/216+1/54)
=(30/36+10/36+5/36+3/36+2/36)+5/126+5/168+(5/216+4/216)
=50/36+5/126+5/168+9/216
=(14288400+408240+306180+428652)/10287648
=1157360/10287648
=0.11249996111842084799168867364047
再问: 简便计算!!
5/6+5/18+5/36+1/12+1/18+5/126+5/168+5/216+1/54=?
36×(1/3-5/18+7/12)×124×126怎么简算?
(9分之4+6分之5-18分之7)除以(1-36分之5)=?
(1/2-5/9+5/6-7/12)*(-36)=?
3分之1,6分之5,9分之2,12分之5,18分之5,36分之1.
5/12和5/16 1/9、1/18和1/36 怎么通分?
(7/9-5/6+3/4+7/18)/(-1/36)
简便运算:(2/9+1/6-5/18)*36
(18分之5-5分之1)*36*25 简算
(5/18÷1/3+5/18)×0.25=?
1-(5/9-3/4-7/18)*36=?
(1)6 18 22 (2) 12 36 40 (3)5 15 () (4)8 () ()