学帮网1______________1 5+________14+_____13+___2
来源：学生作业学帮网 编辑：学帮网 时间：2024/06/25 20:24:43
1
______________
1
5+________
1
4+_____
1
3+___
2
=1/(5+1/(4+1/(3+1/2)))
=1/(5+1/(4+1/(7/2)))
=1/(5+1/(4+2/7))
=1/(5+1/(30/7))
=1/(5+7/30)
=1/(157/30)
=30/157
=1/(5+1/(4+1/(3+1/2)))
=1/(5+1/(4+1/(7/2)))
=1/(5+1/(4+2/7))
=1/(5+1/(30/7))
=1/(5+7/30)
=1/(157/30)
=30/157