4+1= 4-2= 1+3= 2+2=
5-3= 2+3= 5-1= 3-1=
1+1= 5-2= 3+2= 5-4=
2+1= 4-3= 1+4= 4-1=
=
10-4= 7+0= 4+4+2=
7-3= 8+1= 9-5-3=
8-3= 7+3= 3-1+7=
36=9 93=6 42=6
73=4 45=9 26=8