三{#blank#}1{#/blank#}二十四

3×4={#blank#}1{#/blank#}     5×8={#blank#}2{#/blank#}          6×7={#blank#}3{#/blank#}

9×3={#blank#}4{#/blank#}     7×9={#blank#}5{#/blank#}          2×4={#blank#}6{#/blank#}

3×8={#blank#}7{#/blank#}     5×5={#blank#}8{#/blank#}          6×8={#blank#}9{#/blank#}

4×5={#blank#}10{#/blank#}     6×2={#blank#}11{#/blank#}          3×7={#blank#}12{#/blank#}

7×7{#blank#}1{#/blank#}36        36{#blank#}2{#/blank#}6 + 6         9×6{#blank#}3{#/blank#}63

6×8{#blank#}4{#/blank#}48        42{#blank#}5{#/blank#}7 + 6         8×7{#blank#}6{#/blank#}48

4×6＝                                5×6＝                                     6×6＝

6×7                                  6×8＝                                     6×9＝