2/(1*4)+2/(4*7)+2/(7*10)+2/(10*13)+2/(13*16)+2/(16*19)=?
来源：学生作业帮助网 编辑：六六作业网 时间：2025/02/07 15:02:35
2/(1*4)+2/(4*7)+2/(7*10)+2/(10*13)+2/(13*16)+2/(16*19)=?2/(1*4)+2/(4*7)+2/(7*10)+2/(10*13)+2/(13*16)
2/(1*4)+2/(4*7)+2/(7*10)+2/(10*13)+2/(13*16)+2/(16*19)=?
2/(1*4)+2/(4*7)+2/(7*10)+2/(10*13)+2/(13*16)+2/(16*19)=?
2/(1*4)+2/(4*7)+2/(7*10)+2/(10*13)+2/(13*16)+2/(16*19)=?
不是可以直接算出来吗?