15-10=
6-3=
7+7=
3+7+9=
11+7 =
2+8=
19-10=
8-3+9=
8+8=
10-8=
( )+10=15
12-2+4=
10+8=
11-10=
( ) -7=3
9+10-5=
8-6=
20+0=
6+9=
8+2-3=
2+7=
13-3=
7+2+3=
10-9=
14-2=
9-5=
15-3+0=
10-3=
5+9=
5+3=
9+4=
7+4=
12+2=
6+4=
5+7=
19-6=
8+2=
9+8=
11+5=
4+10=
10+6=
18-8=
8+8=
16-4+6=
2+3+4=
8-3-1=
11-6+3=
2+3+2=
7-6+3=
4+7-2=
4+9+1=
□○□○□=□(朵)
3+6+4=
8+5+2=
6+7-2=
19-3-5=
9+7-3=
14-4+6=