{#blank#}1{#/blank#}元

{#blank#}2{#/blank#}元

{#blank#}3{#/blank#}元

42-7=        57-32=        5×3=        2×7=

9×4=         36+9=        3×8=        1×5=

35+25-50=               74-20-24=

4{#blank#}1{#/blank#}4=8          8{#blank#}2{#/blank#}8=64         6{#blank#}3{#/blank#}2=4

8{#blank#}4{#/blank#}7=56         7{#blank#}5{#/blank#}5=2          5{#blank#}6{#/blank#}1=5

{#blank#}1{#/blank#}六三十         {#blank#}2{#/blank#}六十三        {#blank#}3{#/blank#}二十四

{#blank#}4{#/blank#}四十五         二八{#blank#}5{#/blank#}         {#blank#}6{#/blank#}六十二