14-4=
4+8=
10+5=
5+9=
2+8=
9+9=
5+8=
9-3=
9+7=
0+9 =
7-2=
8+3=
3+3+3=
17-7-8=
15-10+7=
9-2+7=
5﹣2=
3﹣2=
3+2=
2﹣1=
4﹣3=
5﹣1=
2+2=
3+1=
5﹣3=
4+1=
4﹣1=
2+1=
48 47-4 8-55 66
30 62+5 7-28-3 9-53+1
23 45 01
24 4-04 34-2
5-50 3-13 3+14-1
5+05-0 2+35-2 4+15-1
9+3=8+=7+=+=+=+
9+7=8+=7+=+
个。