来自齐立哲的问题
3/(2*5)+3/(5*8)+3/(8*11)+……+3/(1994*1997*)1又1/(3*5)+2又1/(5*7)+3又/(7*9)+……+100又1/(201*203)1/(1*3)+1/(3*5)+1/(5*7)+……+1/(97*99)+1/(99*101)我已经会了你做错了
3/(2*5)+3/(5*8)+3/(8*11)+……+3/(1994*1997*)
1又1/(3*5)+2又1/(5*7)+3又/(7*9)+……+100又1/(201*203)
1/(1*3)+1/(3*5)+1/(5*7)+……+1/(97*99)+1/(99*101)
我已经会了
你做错了
1回答
2019-11-17 01:22