Math problem: Change RMB with face value of 10 into small change, and RMB of 5.2 is enough, 1 minute. How much has changed?
First, an angle = 10 minute, and secondly, there are several ways to change it.
1,5+5
2,5+2+2+ 1
3,5+2+ 1+ 1+ 1
4,5+ 1+ 1+ 1+ 1+ 1
5,2+2+2+2+2
6,2+2+2+2+ 1+ 1
7,2+2+2+ 1+ 1+ 1+ 1
8,2+2+ 1+ 1+ 1+ 1+ 1+ 1
9,2+ 1+ 1+ 1+ 1+ 1+ 1+ 1+ 1
10, 10 one point.
* * * Ten kinds