0.5r1收
0.5,1r1收
1r收四个
拆开0.2,0.3,0.3,0.2
1r收两个
0.5r,2r收
0.5r,2r,1r收
0.5r收三个
3r收,拆开2,0.5,0.5
1,0.5收
1r1收
0.5r2收
0.5r,1r
1r,2r,0.5r
0.5,后面两个0.2r1
0.5,0.5,0.5
1r收三个,单个0.5r,0.2r,0.3r收