一九得{#blank#}1{#/blank#}     二八{#blank#}2{#/blank#}

三{#blank#}3{#/blank#}二十七   六{#blank#}4{#/blank#}四十八

五九{#blank#}5{#/blank#}       {#blank#}6{#/blank#}九五十四

二九{#blank#}7{#/blank#}       四{#blank#}8{#/blank#}三十六

七九{#blank#}9{#/blank#}

8×9{#blank#}1{#/blank#}9×9          6×6{#blank#}2{#/blank#}5×7         4×3{#blank#}3{#/blank#}6×2

72－48{#blank#}4{#/blank#}44        5×9{#blank#}5{#/blank#}54           5×1{#blank#}6{#/blank#}5＋1

18＋20＝          4×4＝            38＋50＝          27－8＝          5×4－7＝

70－50＝          3×2＝          67－60＝          42＋13＝          3×1＋9＝

3×2{#blank#}1{#/blank#}2×3                              1×4{#blank#}2{#/blank#}4＋1                 9×5{#blank#}3{#/blank#}5＋9

4×5{#blank#}4{#/blank#}31－10                            2×2{#blank#}5{#/blank#}2＋2                 6×3{#blank#}6{#/blank#}6＋6＋6