20＞{#blank#}1{#/blank#}×7       {#blank#}2{#/blank#}×5＜38

{#blank#}3{#/blank#}×5＜35         7×{#blank#}4{#/blank#}＜45

8×1 =          7×4 =         8×8 =       9×4 + 9 =      8×6+3 =

9×9=          8×7=          7×7=       6×5 – 5 =      8×4 – 5 =

5×4=          2×8=          5×9=       7+9+7=         9×8 – 8 =

七九{#blank#}1{#/blank#}          {#blank#}2{#/blank#}二十八           六八{#blank#}3{#/blank#}

三七{#blank#}4{#/blank#}          {#blank#}5{#/blank#}五十四            九九{#blank#}6{#/blank#}