递等式计算:1/42+1/56+1/72+1/90+1/110
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/19 04:15:56
x){0Χ{_[|{fmoj!;m|7PLD Җ@Hh373/.H̳9 i2
递等式计算:1/42+1/56+1/72+1/90+1/110
递等式计算:1/42+1/56+1/72+1/90+1/110
递等式计算:1/42+1/56+1/72+1/90+1/110
原式=1/6-1/7+1/7-1/8+1/8-1/9+1/9-1/10+1/10-1/11
=1/6-1/11
=5/66