三{#blank#}1{#/blank#}十五

{#blank#}2{#/blank#}六十二

五六{#blank#}3{#/blank#}

三{#blank#}4{#/blank#}十二

6×{#blank#}1{#/blank#}=30       72÷{#blank#}2{#/blank#}=9        48÷{#blank#}3{#/blank#}=8

9÷{#blank#}4{#/blank#}=9        9×{#blank#}5{#/blank#}=54       36÷{#blank#}6{#/blank#}=9

63÷{#blank#}7{#/blank#}=9       {#blank#}8{#/blank#}×7 =35      {#blank#}9{#/blank#}×4 = 28

5×6＝                  79－7＝                  2×3＝                  6×9＝

6×4＋6＝                  2×5－5＝                  5×3＋2＝                  4×4＋2＝