26+23=       45+9=       78-45=       4×3-3=

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

6×5=           3×1=        4×4=          5×5-1=

6×9=          8×8=          7×4=          9×2-7=

4×8=          7×0=          4×9=          4×7+7=

37+3=          8×6=          38-8=          8+8-8=

18-9=          4×0=          9×3=          8×7+4=

5×5=          56+30=        6×1+4=          7×6-7=

6+28{#blank#}1{#/blank#}60+28       69-2{#blank#}2{#/blank#}38+16       92{#blank#}3{#/blank#}62+28

8×7{#blank#}4{#/blank#}8×8-8 1米{#blank#}5{#/blank#}100厘米 半时{#blank#}6{#/blank#}50分