(从左到右、从下到上依次填写 .)

 7+{#blank#}1{#/blank#}=10          6+{#blank#}2{#/blank#}=10          5+{#blank#}3{#/blank#}=10

{#blank#}4{#/blank#}+5=12           {#blank#}5{#/blank#}+6=12          9+{#blank#}6{#/blank#}=14

7+{#blank#}7{#/blank#}=14            6+{#blank#}8{#/blank#}=14         {#blank#}9{#/blank#}+ 5 = 13

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

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