11-9＝
47-7＝
18-9＝
13-7＝
20＋8＝
6＋60＝
15-6＝
12-3＝
13＋2-8＝
10＋8＋2＝
18-6-7＝
13＋5-9＝
13+3=
7+4=
9-6=
30+2=
9+7-6=
11-3=
15-6=
17-8=
13-5=
8-5+14=
6+7=
16-9=
15-7=
15+2=
4+8-3=
