{#blank#}4{#/blank#}二十四      {#blank#}5{#/blank#}七二十一     {#blank#}6{#/blank#}三十六

7×8＝        8×6＝         9×5＝         6×6＝

2×8＝        8×9＋9＝      9＋7＝        9×7＝

6×8－8＝     9×4＋4＝      9×6＋6＝     9×5－9＝

{#blank#}1{#/blank#}、{#blank#}2{#/blank#}

2×8{#blank#}1{#/blank#}18         4+4+4+4{#blank#}2{#/blank#}4+4 

9×4{#blank#}3{#/blank#}5×6       5元6角{#blank#}4{#/blank#}60角

50>{#blank#}1{#/blank#}×7         44>7×{#blank#}2{#/blank#}

4×{#blank#}3{#/blank#}<27         7×{#blank#}4{#/blank#}<64

52>6×{#blank#}5{#/blank#}          34>{#blank#}6{#/blank#}×5

{#blank#}7{#/blank#}×9<55            60>{#blank#}8{#/blank#}×7

9×817    3×972

4×832    6×64×9