3+5= 6-6= 9-4= 8-5= 9-2=
5+2= 8-2= 3+4= 8-7= 6+4=
3+( )=7 9-( )=7 ( )+4=4 ( )-2=2
2+5+3= 2+6-0= 10-4-4=
6+1-3= 2+8-9= 1+8-7-=
7-5+3= 8+2-6= 10-4+3=
5+2+3= 6+3-7= 9-5+2=
8+8= 5+8= 6+8= 19-8=
8+4= 5+9= 3+8= 10+2=
16-3= 4+8= 5+10= 18-8=
★★★★