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

3×7{#blank#}1{#/blank#}20         5×6{#blank#}2{#/blank#}3×9         6+6{#blank#}3{#/blank#}5×5

4×5{#blank#}4{#/blank#}18         7×2{#blank#}5{#/blank#}8×2         30+5{#blank#}6{#/blank#}7×5

5角{#blank#}7{#/blank#}50分      36角{#blank#}8{#/blank#}6元3角     40元{#blank#}9{#/blank#}26元+4元

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

11×9=□×9+9=□