56，52，{#blank#}1{#/blank#}，{#blank#}2{#/blank#}，{#blank#}3{#/blank#}，{#blank#}4{#/blank#}，{#blank#}5{#/blank#}，{#blank#}6{#/blank#}，{#blank#}7{#/blank#}，{#blank#}8{#/blank#}，{#blank#}9{#/blank#}，{#blank#}10{#/blank#}，8，4，0．

4×2=4＋4

2×7 =        1×6=       2×5 =       3×2 =

2×4 =        8×1 =      8×2 =        2×9 =

7 ×2=        2× 2 =       5×1=        1×7 =

3×2＝      9×2＝      7×5＝      3＋3＝

5×4＝      5×3＝       9×3＝     3×4＝

6×5＝      4×4＝       9－3＝     8＋9＝