9{#blank#}1{#/blank#}9＝81 2{#blank#}2{#/blank#}9＝18

8{#blank#}3{#/blank#}1＝7 81＝9{#blank#}4{#/blank#}9

2×5 =      4 × 6 =       5 ×3 =       8 ×5 = 

5 +5 =       5×5 =        3 × 5=       2 ×9 =

7×4 =      3×6 =         6×5 =        4 ×1=

4× 8 =     7 ×3 =       4 × 4 =       4 + 4 =

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

6×7                                  6×8＝                                     6×9＝

3×9=     2×5=    3×7=     8×3=     3×3=

5×8=     4×7=    2+4=     2×9=     4+4=

三六{#blank#}1{#/blank#}          二五{#blank#}2{#/blank#}           四{#blank#}3{#/blank#}二十八

{#blank#}4{#/blank#}八四十        三{#blank#}5{#/blank#}二十四       六九{#blank#}6{#/blank#}

 18＋20＝    5×4＝    30＋60＝    9×6＝    52－5＝ 

 42＋38＝    7×7＝    2×9＝      4×8＝    7×6＝ 

 64－60＝    8×3＝    5×5＝      3×2＝    37－9＝