7+8= 5+3= 17-5= 10+2=
7+4= 7+9= 3+8= 19-4=
15-3= 4+6= 5+10= 7+6=
4+7=
9﹣4=
10﹣0=
8+8=
16﹣3=
3﹣3=
9+9=
8﹣5=
14+2=
5+7=
8+6=
10+3=
0+14=
7+6=
9+5=
19﹣9﹣3=
11+4+2=
16+3﹣2=
8+( )=15
( )+7=16
7-5+3= 8+2-6= 10-4+3=
5+2+3= 6+3-7= 9-5+2=