(1/2+1/3+...+1/2001)(1+1/2...+1/2000)-(1+1/2...+1/2001)(1/2+1/3+...+1/2001)
来源:学生作业帮助网 编辑:六六作业网 时间:2025/01/24 15:37:39
(1/2+1/3+...+1/2001)(1+1/2...+1/2000)-(1+1/2...+1/2001)(1/2+1/3+...+1/2001)(1/2+1/3+...+1/2001)(1+1/
(1/2+1/3+...+1/2001)(1+1/2...+1/2000)-(1+1/2...+1/2001)(1/2+1/3+...+1/2001)
(1/2+1/3+...+1/2001)(1+1/2...+1/2000)-(1+1/2...+1/2001)(1/2+1/3+...+1/2001)
(1/2+1/3+...+1/2001)(1+1/2...+1/2000)-(1+1/2...+1/2001)(1/2+1/3+...+1/2001)
=-1/2001 *(1/2+1/3+...+1/2001)
计算1001-1/2001-2/2001-3/2001-...-2001/2001
2001/1+2002/2+2001/3+2001/4+.+2001/2001
(1/2+1/3+...+1/2001)(1+1/2...+1/2000)-(1+1/2...+1/2001)(1/2+1/3+...+1/2001)
1/2001+2/2001+3/2001...+4000/2001+4001/2001
(1-2*2分之1)(1-3*3分之1).(1-2001*2001分之1)=
(1-1/2*2)(1-1/3*3)(1-1/4*4)……(1-1/2000 *2000)(1-1/2001*2001)
1/2001+2/2001+3/2001+4/2001+``````````+1999/2001+2001/2001用简便算法写过程
-(-1/1x2-1/2x3-1/3x4-1/4x5-.-1/2001x2002)
算(1/2+1/3+1/4+…+1//2000)(1+1/2+1/3+…+1/2001)-(1+1/2+1/3+1/4+…+1/2001)(1/2+1/3+…+1/2000
1又1/2001+2又2/2001+3又3/2001+4又4/2001+.+2000又2000/2001
(1/2+1/3+.+1/2000+1/2001)-(1+1/2+1/3+..+1/2001)(1/2+1/3+...+1/2000)1/2000+1/2001)-(1+1/2+1/3+..+1/2001)(1/2+1/3+...+1/2000)
(1/2+1/3+...+1/2002)(1+1/2+1/3+..+1/2001)-(1+1/2+1/3+...+1/2002)(1/2+1/3+...1/2001)
2002*2001-2001*2000+2000*1999-.-3*2+2*1
(-1)+(+2)+(-3)+(+4)+...(-2001)+(+2002)+(-2003)+(+2004)
(3分之2)^2002*(1.5)^2001*(-1)^2003
1/2001+3/2001+5/2001+...+1999/2001怎么算?
(1/2+1/3+…+1/2002)(1+1/2+1/3+…+1/2001)-(1+1/2+…+1/2002)(1/2+1/3+…+1/2001)那网址打不开的,我早就看过了
(1*1+2*2)/(1*2)+(2*2+3*3)/(2*3)+……+(2000*2000+2001*2001)/(2000*2001)