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

5+7=         3+6=         6-6=         6+9=         2+8=

8+4=         0+5=         9-4=         5+8=         7+8=

14-4=         9+9=         11-10=         19-1=         16-4=

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

12-2+4=         3+5+9=         17-4+3=         9+9-7=