裂项求和,第一道是1-1/100=99/100
第二道是1-1/99=98/99
1.1/1*2+1/2*3+1/3*4+……+1/99*100 2.2/1*3+2/3*5+2/5*7+……+2/97*99
1.1/1*2+1/2*3+1/3*4+……+1/99*100 2.2/1*3+2/3*5+2/5*7+……+2/97*99
数学人气：593 ℃时间：2019-09-29 01:33:41
优质解答
我来回答
类似推荐
猜你喜欢
- 1已知2014年9月30号是星期二,求1年1月1号星期几?
- 2Our neighbor came close to being killed in a traffic accident the other day.这句话怎么翻译?came close
- 3this is ()room,it is a ()nice room,the window ()big and the walls ()white,Near the window there
- 4函数y=log 1/3（4x2-3x）的定义域为 _ ．
- 5----- She's a good student,and works very hard.----- ______ A .So it is with her B.So does Jim
- 6形容天地宽广的语句
- 7在澳大利亚,天气怎么样?这句话的英语句子是什么?要两种
- 8已知关于x的方程(k+1)x²+2x-1=0有实数根,求k的最小整数值
- 9Yesterday afternoon, Kate stopped me at the school gate and asked me to her...英语阅读求答案
- 10用适当形式填空!l wouldn't like______(work) in a restaurant.