7+2-8=
10-4+2=
5+2+3=
7-5-1=
8-3+4=
8-4+5=
7+2-3=
7+3-7=
(颗)
(人)
6+2=
0+8=
9-6=
1+3+2=
10-8=
6+3=
8-3=
2+1+7=
9-4+3=
8-8=
10-2-3=
8-4+4=