七九{#blank#}1{#/blank#}          {#blank#}2{#/blank#}二十八           六八{#blank#}3{#/blank#}

三七{#blank#}4{#/blank#}          {#blank#}5{#/blank#}五十四            九九{#blank#}6{#/blank#}

7×4＝                              5×5＝                              9×4＝                            99－26＝

8×5＝                              9×3＝                              4×4＝                            46＋54＝

15＋40＋15＝                                                     80－17－13＝

六{#blank#}1{#/blank#}四十八 四{#blank#}2{#/blank#}三十六 五{#blank#}3{#/blank#}四十

三{#blank#}4{#/blank#}二十一 五{#blank#}5{#/blank#}三十 {#blank#}6{#/blank#}二十四