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