3×4{#blank#}1{#/blank#}10       2×2{#blank#}2{#/blank#}5     4+5{#blank#}3{#/blank#}4×5     2×5{#blank#}4{#/blank#}10

5×6{#blank#}5{#/blank#}60-30    5×5{#blank#}6{#/blank#}20    3×6{#blank#}7{#/blank#}3+6     3×2{#blank#}8{#/blank#}5

3×2{#blank#}1{#/blank#}2×3                              1×4{#blank#}2{#/blank#}4＋1                 9×5{#blank#}3{#/blank#}5＋9

4×5{#blank#}4{#/blank#}31－10                            2×2{#blank#}5{#/blank#}2＋2                 6×3{#blank#}6{#/blank#}6＋6＋6