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