个
6-34 7 2 56 77
6-1 4 7 6 6-23 64
2+3= 7-2= 5+2= 3+4=
4+1= 6-3= 7-3= 5-4=
2+2= 5+1= 6+1= 5-3=
34=7 65=1
16=7 62=4
25=7 71=6
76=1 74=3
72=5 73=4