数学有理数加法|1+(—½)|+ |½+(—⅓)| + |⅓+(—¼)|+……+|1/9+(—1/10)|

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/13 05:38:59

数学有理数加法|1+(—½)|+ |½+(—⅓)| + |⅓+(—¼)|+……+|1/9+(—1/10)|
数学有理数加法
|1+(—½)|+ |½+(—⅓)| + |⅓+(—¼)|+……+|1/9+(—1/10)|

数学有理数加法|1+(—½)|+ |½+(—⅓)| + |⅓+(—¼)|+……+|1/9+(—1/10)|
│1+(—½)|+ |½+(—⅓)| + |⅓+(—¼)|+……+|1/9+(—1/10)|
=1-1/2+1/2-1/3+1/3-1/4+1/4-1/5+1/5-1/6+1/6-1/7+1/7-1/8+1/8-1/9+1/9-1/10
=1-1/10
=9/10

9/10
望采纳哦~

9/10