1*3/1+2*4/1+3*5/1+4*6/1+5*7/1+6*8/1+7*9/1+8*10/1+9*11/1+10*12/1=?谁回答都可以,尽管不是邦德的!
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/29 01:33:05
![1*3/1+2*4/1+3*5/1+4*6/1+5*7/1+6*8/1+7*9/1+8*10/1+9*11/1+10*12/1=?谁回答都可以,尽管不是邦德的!](/uploads/image/z/1350329-41-9.jpg?t=1%2A3%2F1%2B2%2A4%2F1%2B3%2A5%2F1%2B4%2A6%2F1%2B5%2A7%2F1%2B6%2A8%2F1%2B7%2A9%2F1%2B8%2A10%2F1%2B9%2A11%2F1%2B10%2A12%2F1%3D%3F%E8%B0%81%E5%9B%9E%E7%AD%94%E9%83%BD%E5%8F%AF%E4%BB%A5%EF%BC%8C%E5%B0%BD%E7%AE%A1%E4%B8%8D%E6%98%AF%E9%82%A6%E5%BE%B7%E7%9A%84%EF%BC%81)
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1*3/1+2*4/1+3*5/1+4*6/1+5*7/1+6*8/1+7*9/1+8*10/1+9*11/1+10*12/1=?谁回答都可以,尽管不是邦德的!
1*3/1+2*4/1+3*5/1+4*6/1+5*7/1+6*8/1+7*9/1+8*10/1+9*11/1+10*12/1=?
谁回答都可以,尽管不是邦德的!
1*3/1+2*4/1+3*5/1+4*6/1+5*7/1+6*8/1+7*9/1+8*10/1+9*11/1+10*12/1=?谁回答都可以,尽管不是邦德的!
1*3/1+2*4/1+3*5/1+4*6/1+5*7/1+6*8/1+7*9/1+8*10/1+9*11/1+10*12/1
=(1-1/3 +1/2-1/4 +1/3-1/5+1/4-1/6+1/5-1/7+1/6-1/8+1/7-1/9+1/8-1/10+1/9-1/11+1/10-1/12)/2
=(1+1/2-1/11-1/12)/2
=175/264
1*3/1+2*4/1+3*5/1+4*6/1+5*7/1+6*8/1+7*9/1+8*10/1+9*11/1+10*12/1=?