1/24+1/120+1/360+1/840的解法,谢谢
来源:百度知道 编辑:UC知道 时间:2024/07/04 09:33:21
请哪位哥哥,姐姐帮帮忙
1/24+1/120+1/360+1/840=(1/24)(1+1/5+1/15+1/35)=(1/24)*(105+21+7+3)/105=(1/24)*(136/105)=17/315
没有别的好方法,只有通分!
1/24+1/120+1/360+1/840
=15/360+3/360+1/360+1/840
=19/360+1/840
=133/2520+3/2520
=17/315
这哪用什么解法呀!通分不就得了
1/22+1/23+1/24+1/25+1/26+1/27+1/28+1/29+1/30=?
336/1+6/1+24/1+60/1+120/1+210/1
1/3+1/6+1/12+1/24+1/48+…+1/1588
1/24+1/120+1/360+1/840+1/630= 最简单的方法
(1/8+1/24+1/48+1/80+1/120+1/168+1/224)*64=?
1/3,1/24,1/36,1/49 求下一个数是( )
求解(过程要详细):1/4+1/12+1/24+1/40+1/84+1/112+1/144+1/180
1/( )+1/( )+1/( )+1/( )+1/( )+1/( )=1
1/4+1/12+1/24+1/40+.....1/19800= 多少,运算方法是怎么样的?
女84/1/24和男82/2/2的配吗