将下面的括号填上合适的分母,使等式成立:
来源:学生作业帮 编辑:搜狗做题网作业帮 分类:数学作业 时间:2024/08/08 21:22:19
将下面的括号填上合适的分母,使等式成立:
2/99=1/()-1/()
2/143=1/()+1/()
5/24=1/()+1/()+1/()+1/()
2/35=1/()-1/()
2/63=1/()-1/()
1=1/()+1/()+1/()+1/()+1/()
2/7=1/()+1/()+1/()
1/15=1/()+1/()+1/()
1/16=1/()+1/()+1/()+1/()
2/99=1/()-1/()
2/143=1/()+1/()
5/24=1/()+1/()+1/()+1/()
2/35=1/()-1/()
2/63=1/()-1/()
1=1/()+1/()+1/()+1/()+1/()
2/7=1/()+1/()+1/()
1/15=1/()+1/()+1/()
1/16=1/()+1/()+1/()+1/()
![将下面的括号填上合适的分母,使等式成立:](/uploads/image/z/17420587-43-7.jpg?t=%E5%B0%86%E4%B8%8B%E9%9D%A2%E7%9A%84%E6%8B%AC%E5%8F%B7%E5%A1%AB%E4%B8%8A%E5%90%88%E9%80%82%E7%9A%84%E5%88%86%E6%AF%8D%2C%E4%BD%BF%E7%AD%89%E5%BC%8F%E6%88%90%E7%AB%8B%EF%BC%9A)
2/99=1/33-1/99
2/143=1/143+1/143
5/24=1/24+1/24+1/24+1/12
2/35=1/5-1/7
2/63=1/7-1/9
1=1/5+1/5+1/5+1/5+1/5
2/7=1/14+1/14+1/7
1/15=1/45+1/45+1/45
1/16=1/64+1/64+1/64+1/64
再问: 呃...这些答案你确定么?
2/143=1/143+1/143
5/24=1/24+1/24+1/24+1/12
2/35=1/5-1/7
2/63=1/7-1/9
1=1/5+1/5+1/5+1/5+1/5
2/7=1/14+1/14+1/7
1/15=1/45+1/45+1/45
1/16=1/64+1/64+1/64+1/64
再问: 呃...这些答案你确定么?