1________1 5+14+_13+_2

来源：学生作业帮助网编辑：作业帮时间：2024/11/15 08:14:28

1______________1 5+________14+_____13+___2
1
______________
1
5+________
1
4+_____
1
3+___
2

1______________1 5+________14+_____13+___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