(支)
2+1=
4-3=
2-1=
7-4=
3+2=
3+4=
5-2=
2+2=
6-3=
3+3=
7-6=
0+3=
5-0=
4+2=
1-0=
5-57=
1+6=
7-1=
4-1=
2+5=
9-4=
7+5=
8+7=
2+6=
9+0=
10-2=
4+15=
3+8=
9+9=
6-4=
4+6=
6+7=
1+1-1=
8-8+7=
9+1-4=
8+6-3=
7+0-2=
14-4-1=
4+5-3=
7+3+6=
□○□=□(本)
79 6+18 8-23+4 8+26+2
58-3 32 2+59-7 10-31+6