来自赖积保的问题
1/3+1/5+1/7+1/9+1/11+1/33+1/35+1/45+1/55+1/77=有没有更简便的
1/3+1/5+1/7+1/9+1/11+1/33+1/35+1/45+1/55+1/77=
有没有更简便的
1回答
2019-06-08 08:51
1/3+1/5+1/7+1/9+1/11+1/33+1/35+1/45+1/55+1/77=有没有更简便的
1/3+1/5+1/7+1/9+1/11+1/33+1/35+1/45+1/55+1/77=
有没有更简便的
1/3+1/5+1/7+1/9+1/11+1/33+1/35+1/45+1/55+1/77=1/3+1/5+1/7+1/9+1/11+1/11*3+1/5*7+1/5*9++1/11*5+1/7*11=1/3+1/5+1/7+1/9+1/11+1/8(1/3-1/11)+1/2(1/5-1/7)+1/4(1/5-1/9)+1/6(1/5-1/11)+1/4(1/7-1...