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

6-1=         0+6=         5-2=         9-0=

4+3=         6-3=         6+3=         8-4=

4+5=         9-8=         7-7=         1+8=

810      53+1     53         <1

86       64+2     4-04+0    >