8 × 9={#blank#}1{#/blank#}

6 × 7 ={#blank#}2{#/blank#}

5 × 4 ={#blank#}3{#/blank#}

9 × 7 -7 ={#blank#}4{#/blank#}

5 × 6 ={#blank#}5{#/blank#}

4 × 9 ={#blank#}6{#/blank#}

7 × 8 ={#blank#}7{#/blank#}

6 × 9 + 9 ={#blank#}8{#/blank#}

32-8 ={#blank#}9{#/blank#}

40 + 28 ={#blank#}10{#/blank#}

56 + 9 ={#blank#}11{#/blank#}

67-40 + 21 ={#blank#}12{#/blank#}

4×2＝{#blank#}1{#/blank#}

9×8＝{#blank#}2{#/blank#}

45+26=

56-27=

33-19-4=

45-15+25=

5×6+5=

7×8-6=

4×7-3=

2×9+2=