7{#blank#}1{#/blank#}8=56      40{#blank#}2{#/blank#}5=8      36{#blank#}3{#/blank#}6=30

48{#blank#}4{#/blank#}8=6      20{#blank#}5{#/blank#}4=24      8{#blank#}6{#/blank#}8=16

19-7=      11-3=      20+5=       6+20-6=

4+20=      6+6=      68-8=        8+5+2=

69-9=      40+8=      54-50=      75-5-30=

{#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