1-1/2+1/3-1/4+1/5-1/6+1/7-1/8+1/9……+1/19-1/20=?
来源:学生作业帮 编辑:作业帮 分类:综合作业 时间:2024/05/14 16:59:51
1-1/2+1/3-1/4+1/5-1/6+1/7-1/8+1/9……+1/19-1/20=?
1-1/2+1/3-1/4+...+1/19-1/20=(1-1/2+1/3-1/4+1/5-1/6+1/7-1/8+1/9-1/10)-(1/12+1/14+1/16+1/18+1/20)+(1/11+1/13+1/15+1/17+1/19)=1/11+(1/3-1/6-1/12)+1/13+(1/7-1/14)+1/15+(1-1/2-1/4-1/8-1/16)+1/17+(1/9-1/18)+1/19+(1/5-1/10-1/20)=1/11+1/12+...+1/20=155685007/232792560
1-1/2+1/3-1/4+1/5-1/6+1/7-1/8+1/9……+1/19-1/20=?
(1-1/2)*(1-1/3)*(1-1/4)*(1-1/5)*(1-1/6)*…*(1-1/19)*(1-1/20)=
计算题1-1/2-1/3+1/4+1/5-1/6-1/7+1/8+1/9……-1/2006-1/2007+1/2008+
数列2/1+3/1+4/1+5/1+6/1+7/1+8/1+9/1+10/1+11/1……100/1求和
1/2×4+1/3×5+1/4×6+1/5×7+……+1/8×10+1/9×11
1/1+(1/1+2)+(1/1+2+3)……+(1/1+2+3+4+5+6+7+8+9+10+11)=
1-1/2+1/3+1/4-1/5+1/6+1/7+1/8-1/9……1/n 用C语言写出代码
一道数学简算题(1/1+2)+(1/1+2+3)+(1/1+2+3+4)+……+(1/1+2+3+4+5+6+7+8+9
计算:1+1/1+2+1/1+2+3+1/1+2+3+4+…+1/1+2+3+4+5+6+7+8+9+10(过程)
简便计算 1 /1*2+ 1/2*3+1/3*4+1/4*5+1/5*6……+1/19*20=
1/1×2+1/2×3+1/3×4+1/4×5+1/5×6+1/6×7+1/7×8+1/8×9+1/9×10……1/49
1+1+2+3+4+5+6+7+8+9……+99+100=