4+4= 5+3= 8-21+2=8-8= 10+5= 8+3= 8+4=7+4= 7+5= 6-2= 9+1=4+5= 8-3= 5+5= 7-3=9+4= 10+2= 3+2= 8+6=7+1= 8-5= 7+6= 4-3=12-10= 4+1= 8+7= 10+4=9+8= 8+2= 4+2= 3-1=9+2= 6-6= 6+4= 4+2=5+9= 3+1= 4-1= 11-1=8-7= 8+5= 6+3= 4+6=2+5= 6-3= 5+0= 18-8=7+3= 12-2= 9+7= 6+1=13-5= 19-10= 7-5= 5-0=9-7= 4+3= 1+7= 10+9=5+3= 16-6= 17-7= 4-1=1+5= 5-3= 3+2= 5+1=6+2= 8+1= 10+6= 11-10=18-10= 2+1= 6+3= 8-7=3+45-4= 5+4= 16-10=15-10= 10+7= 9+3= 7+2=9+6= 4+3= 1+3= 6-1=9+2= 6+5= 9+2+4= 12-5-3=9-3-3= 3+2+1= 16-9+0= 13+4-4=3-2-1= 15-3+4= 11+8+1= 9+2-5=
