{#blank#}1{#/blank#}

36÷4={#blank#}1{#/blank#}       32÷8={#blank#}2{#/blank#}        17+29={#blank#}3{#/blank#}        {#blank#}4{#/blank#}×3=24

81-9={#blank#}5{#/blank#}        40+5={#blank#}6{#/blank#}        35÷7={#blank#}7{#/blank#}        9+{#blank#}8{#/blank#}=40

37+6={#blank#}9{#/blank#}        12÷6={#blank#}10{#/blank#}        35-7={#blank#}11{#/blank#}        50-{#blank#}12{#/blank#}=50

9×1={#blank#}13{#/blank#}         8÷8={#blank#}14{#/blank#}         8×8={#blank#}15{#/blank#}         21÷3={#blank#}16{#/blank#}

7×6={#blank#}17{#/blank#}         77-25={#blank#}18{#/blank#}        72÷9={#blank#}19{#/blank#}        8÷{#blank#}20{#/blank#}=2

42÷6=      27÷3=      54+21=      18÷6=      3×9+9=

24÷4=      7×8=      9+2=      9÷9=      4×5-8=

81÷9=      40÷5=      8×3=      5×2=      72÷9+9=

7×5=      12÷3=      72-8=      1×8=      （   ）×6=54

39+15{#blank#}1{#/blank#}35+19       1米3厘米{#blank#}2{#/blank#}100厘米      6{#blank#}3{#/blank#}72÷8