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:作业帮 时间:2024/07/04 03:41:06
![2/(1*4)+2/(4*7)+2/(7*10)+2/(10*13)+2/(13*16)+2/(16*19)=?](/uploads/image/z/15166994-50-4.jpg?t=2%2F%281%2A4%29%2B2%2F%284%2A7%29%2B2%2F%287%2A10%29%2B2%2F%2810%2A13%29%2B2%2F%2813%2A16%29%2B2%2F%2816%2A19%29%3D%3F)
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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?