五八四十

                          
                          
五九四十五
                         
                         

 5×8=            6×7=             9×3=             2×8=

36÷9=            48÷6=            14÷2=            36÷6=

500+200=          800-400=          930-300=          450-150=

720+60=           960-600=          450+90=           860-80=

40÷7=            52÷8=            34÷6=            85÷9=

9×{#blank#}1{#/blank#}＝54              7＋{#blank#}2{#/blank#}＝15

9－{#blank#}3{#/blank#}＝2              {#blank#}4{#/blank#}×7＝56