{#blank#}1{#/blank#}

{#blank#}2{#/blank#}

34 +17 =       51 – 19 =     28 + 27 – 25=       100 – 48 + 37 =     6 + 6 + 6 =

6 × 3 =      4× 4=       3 ×3 =           5×2 =            2×4 =

63-7=          48-3=          12-7=          5+43=         17-8=

56-8=          11-8=          4+45=          14-7=         66-5=

16-9=          49+3=         25+20=         12-8=          17+60=

92-40=         72-60=         7+40=         60+3=          5+27=