(-1*2/1)+(-1/2*1/3)+(-1/3*1/4)+…+(-1/2012*1/2013)提示:发现规律,-1×2/1=-1+2/1.用规律计算.紧急!
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 19:47:06
![(-1*2/1)+(-1/2*1/3)+(-1/3*1/4)+…+(-1/2012*1/2013)提示:发现规律,-1×2/1=-1+2/1.用规律计算.紧急!](/uploads/image/z/2091441-57-1.jpg?t=%28-1%2A2%2F1%29%2B%28-1%2F2%2A1%2F3%29%2B%28-1%2F3%2A1%2F4%29%2B%E2%80%A6%2B%28-1%2F2012%2A1%2F2013%29%E6%8F%90%E7%A4%BA%EF%BC%9A%E5%8F%91%E7%8E%B0%E8%A7%84%E5%BE%8B%2C-1%C3%972%2F1%3D-1%EF%BC%8B2%2F1.%E7%94%A8%E8%A7%84%E5%BE%8B%E8%AE%A1%E7%AE%97.%E7%B4%A7%E6%80%A5%21)
(-1*2/1)+(-1/2*1/3)+(-1/3*1/4)+…+(-1/2012*1/2013)提示:发现规律,-1×2/1=-1+2/1.用规律计算.紧急!
(-1*2/1)+(-1/2*1/3)+(-1/3*1/4)+…+(-1/2012*1/2013)
提示:发现规律,-1×2/1=-1+2/1.
用规律计算.
紧急!
(-1*2/1)+(-1/2*1/3)+(-1/3*1/4)+…+(-1/2012*1/2013)提示:发现规律,-1×2/1=-1+2/1.用规律计算.紧急!