100-{#blank#}1{#/blank#}=80     30+{#blank#}2{#/blank#}=37      40+{#blank#}3{#/blank#}=45

46-{#blank#}4{#/blank#}=6       6+{#blank#}5{#/blank#}=36        2+{#blank#}6{#/blank#}=27

{#blank#}7{#/blank#} -3=30      {#blank#}8{#/blank#}+8=68         6+{#blank#}9{#/blank#}=56

12－3＝      14－7＝     8＋4＝      30+70=

30＋7＝      42－2＝    50＋6＝       17-9=  

20－9＝     55－50＝    36－6＝      18－9=

63－3＝     25－5＝    77－70＝       15-6=

{#blank#}1{#/blank#}+70=74       48-{#blank#}2{#/blank#}=40

9+{#blank#}3{#/blank#}=89          {#blank#}4{#/blank#}-8=60

30+{#blank#}5{#/blank#}<35         57-{#blank#}6{#/blank#}>50