81÷9={#blank#}2{#/blank#}

72÷9={#blank#}3{#/blank#}

35{#blank#}1{#/blank#}5=7  24{#blank#}2{#/blank#}6=30  10{#blank#}3{#/blank#}5=5  8{#blank#}4{#/blank#}8=1

5×5=                             3×2=                                  6×6=

2×2=                             4×5=                                  1×4=

7×3=                            4×7=                                  4×4=

28÷4=                           35÷5=                                42÷7=

56÷8=                           36÷9=                                21÷3=

24÷4{#blank#}1{#/blank#}6          49÷7{#blank#}2{#/blank#}10        28÷4{#blank#}3{#/blank#}36÷6

9×9{#blank#}4{#/blank#}82          42-7{#blank#}5{#/blank#}38         700+800{#blank#}6{#/blank#}1600

45÷9{#blank#}7{#/blank#}36÷4      400+600{#blank#}8{#/blank#}900    35÷5{#blank#}9{#/blank#}42÷6

9÷9=         59+38=       48÷8=      200+7000=

1400-800=    56÷7=        38+25=     60-14=

250+370=     35÷5×3=     54-4×7=    72÷9÷2=