1/k(k+1)(k+2)=1/2k+1/(k+1)+1/2(k+2)的拆法1/k(k+1)(k+2)=1/2k+1/(k+1)+1/2(k+2)是怎么拆出来的?我看书上就一步 有什么公式 或者定理嘛?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/31 06:28:53
![1/k(k+1)(k+2)=1/2k+1/(k+1)+1/2(k+2)的拆法1/k(k+1)(k+2)=1/2k+1/(k+1)+1/2(k+2)是怎么拆出来的?我看书上就一步 有什么公式 或者定理嘛?](/uploads/image/z/11072690-26-0.jpg?t=1%2Fk%28k%2B1%29%28k%2B2%29%3D1%2F2k%2B1%2F%28k%2B1%29%2B1%2F2%28k%2B2%29%E7%9A%84%E6%8B%86%E6%B3%951%2Fk%28k%2B1%29%28k%2B2%29%3D1%2F2k%2B1%2F%28k%2B1%29%2B1%2F2%28k%2B2%29%E6%98%AF%E6%80%8E%E4%B9%88%E6%8B%86%E5%87%BA%E6%9D%A5%E7%9A%84%3F%E6%88%91%E7%9C%8B%E4%B9%A6%E4%B8%8A%E5%B0%B1%E4%B8%80%E6%AD%A5+%E6%9C%89%E4%BB%80%E4%B9%88%E5%85%AC%E5%BC%8F+%E6%88%96%E8%80%85%E5%AE%9A%E7%90%86%E5%98%9B%3F)
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