8＋{#blank#}1{#/blank#}=10

7＋{#blank#}2{#/blank#}=10

6＋{#blank#}3{#/blank#}=10

3+8=       2+9=       5+7=       4+9=

8+8=       3+9=       6+6=       4+7=

5+8=       8+7=       6+7=       4+8=

8+{#blank#}1{#/blank#}=17       {#blank#}2{#/blank#}+8=11       5+{#blank#}3{#/blank#}=11

{#blank#}4{#/blank#}+6=12       7+{#blank#}5{#/blank#}=13       {#blank#}6{#/blank#}+9=11

4+{#blank#}7{#/blank#}=12       {#blank#}8{#/blank#}+7=14       6+{#blank#}9{#/blank#}=13 

1＋0＝               20－10＝             8＋8＝                    7＋4＋3＝

14－6＝             6＋6＝                 8＋7＝                    13－5－4＝