作业帮题有点多,1.0-3.81-(+1.81)-(-5)2.-7-(-8)-(-7又1/2)-(+9)+(-10)+11又1/23.-5-84.(-7)-(-10)+(-8)-(+2)5.(-0.5)-(-3又1/4)+2.75-(+7又1/2)6.(-32又1/3)-[5又1/4+(-3又1/7)-5.25-2又6/7]7.-/-5/-(+4)-/-1/7/ + /-1/7/8.1/2X4+1/4X6+1/6X8+.+1/2006X2008(要
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/11 01:30:05
题有点多,1.0-3.81-(+1.81)-(-5)2.-7-(-8)-(-7又1/2)-(+9)+(-10)+11又1/23.-5-84.(-7)-(-10)+(-8)-(+2)5.(-0.5)-(-3又1/4)+2.75-(+7又1/2)6.(-32又1/3)-[5又1/4+(-3又1/7)-5.25-2又6/7]7.-/-5/-(+4)-/-1/7/ + /-1/7/8.1/2X4+1/4X6+1/6X8+.+1/2006X2008(要
题有点多,
1.0-3.81-(+1.81)-(-5)
2.-7-(-8)-(-7又1/2)-(+9)+(-10)+11又1/2
3.-5-8
4.(-7)-(-10)+(-8)-(+2)
5.(-0.5)-(-3又1/4)+2.75-(+7又1/2)
6.(-32又1/3)-[5又1/4+(-3又1/7)-5.25-2又6/7]
7.-/-5/-(+4)-/-1/7/ + /-1/7/
8.1/2X4+1/4X6+1/6X8+.+1/2006X2008(要简便算法)
题有点多,1.0-3.81-(+1.81)-(-5)2.-7-(-8)-(-7又1/2)-(+9)+(-10)+11又1/23.-5-84.(-7)-(-10)+(-8)-(+2)5.(-0.5)-(-3又1/4)+2.75-(+7又1/2)6.(-32又1/3)-[5又1/4+(-3又1/7)-5.25-2又6/7]7.-/-5/-(+4)-/-1/7/ + /-1/7/8.1/2X4+1/4X6+1/6X8+.+1/2006X2008(要
1.-0.62
2.1
3.-13
4.-7
5.53\4
6.203\10
7.-9
8.2+3\2+4\3+5\4+.+1004\1003
真心地希望我的回答能帮助你
简单
1:-0.6
2:1
3:-13
4:-7
5:-2
6:-36又3分之1
7:-9
8:原式=2/1+3/2+4/3......+1005/1004=1005