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=
48-7= 6+51= 68-40= 30+53= 100-60=
57+6= 63+5= 90-50= 86-5= 21+13=
3×4= 94-60= 48-8+40= 45-40+ 32=
5+70= 49-7= 20-5= 84-4=
59-30= 66+9= 38-9= 27-3=
12-5= 34+7= 54-5= 17+6=
21-5+8= 71-40-20= 90-(13+7)=
37+(9-3)= 52+30+7= 56-(10-4)=
78-20= 67-7= 90-40= 7+62= 17-8= 18-9=
43-20= 13-7= 75-5= 7+32= 12-5= 38-5=
5995 1角9分 34+4781
10099 4元3元8角 92-6330