5 +3 = 8
4+2 = 6
7- 2 = 5
10-3 = 7
8 -2 = 6
4 +4 = 6+4= 5- 1= 4-2= 7-3= 5-3= 5 +4 = 6+3= 7- 1= 3-2= 9-2= 7-3=
4 +4 =8 6+4= =4 4-2=2 7-3= 4 5-3= =9 6+3=9 7- 1=6 3-2=1 9-2= 7 7-3=4