3×{#blank#}1{#/blank#}=15       {#blank#}2{#/blank#}×5=25         9×{#blank#}3{#/blank#}=36

4×{#blank#}4{#/blank#}=6×6    4×{#blank#}5{#/blank#}=2×8    {#blank#}6{#/blank#}×8=4×6

{#blank#}1{#/blank#}×5＜24       6×{#blank#}2{#/blank#}＜34      4×{#blank#}3{#/blank#}＜30

70＞{#blank#}4{#/blank#}×9       7×{#blank#}5{#/blank#}＜48     {#blank#}6{#/blank#}×8＜46

{#blank#}7{#/blank#}×9＜60       7+{#blank#}8{#/blank#}＜10       25-{#blank#}9{#/blank#}＞10