1/3+1/5+1/7+1/9+1/11+1/33+1/35+1/45+1/55+1/77

来源：学生作业帮助网编辑：作业帮时间：2024/04/28 07:58:25

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+1/33+1/35+1/45+1/55+1/77

1/3+1/5+1/7+1/9+1/11+1/33+1/35+1/45+1/55+1/77
1L第一步就错了..
5*7*9*11=3465
1/3+1/5+1/7+1/9+1/11+1/33+1/35+1/45+1/55+1/77
=1155/3465+693/3465+495/3465+385/3465+315/3465+105/3465+99/3465+77/3465+63/3465+45/3465
=3432/3465
=104/105

好暴力

5*7*9*11=3456
1155/3456+693/3456+495/3456+385/3456+315/3456
=3043/3456
i`m sorry 粗心了犯小学错误呵呵

简算:1/1*3+1/3*5+1/5*7+1/7*9+1/9*11 (1*3)/1+(3*5)/1+(5*7)/1+(7*9)/1+(9*11)/1 1/1*3+1/3*5+1/5*7+1/7*9+1/9*11 (1*3)/1+(3*5)/1+(5*7)/1+(7*9)/1+(9*11)/1 计算:1/3*5+1/5*7+1/7*9+1/9*11+1/11*13 1×3/1+3×5/1+5×7/1+7×9/1+9×11/1+11×13/1简便运算计算：2/3*5+1/5*7+1/7*9+1/9*11+1/11*13 1/3+1/5+1/7+1/9+1/11+1/13+1/15= 1/3+1/5+1/7+1/9+1/11+1/13+...+1/99=? 1/1*3*5+1/3*5*7+1/5*7*9+1/7*9*11+1/9*11*13+1/11*13*15怎么计算 1/(1*3*5)+1/(3*5*7)+1/(5*7*9)+1/(7*9*11)+1/(9*11*13)+1/(11*13*15)等于多少 5 7 -5 3 9 -1 11 -3 1 1+3+5+7+9+11+.+99 1-3+5-7+9-11+13 1-3+5-7+9-11+.求救 1+3+5+7+9+11=? 1,3,5,7,9,11,15 计算:1-3 5-7 9-11