{#blank#}1{#/blank#}×2＝40     {#blank#}2{#/blank#} ×3＝99   {#blank#}3{#/blank#}×4＝1600

{#blank#}4{#/blank#}÷2＝40     {#blank#}5{#/blank#}÷3＝33     {#blank#}6{#/blank#}÷4＝120

12×3＝        320×3＝         25×4＝          50×2＝

24×2＝        90×0＝          30÷5＝          200÷4＝

450×6{#blank#}1{#/blank#}2800    600×4 {#blank#}2{#/blank#}600+4      310+56{#blank#}3{#/blank#}387-20

978{#blank#}4{#/blank#}109×9     356×1{#blank#}5{#/blank#}356+0        854-70{#blank#}6{#/blank#} 754-200

25×4{#blank#}1{#/blank#}25×3       105×9{#blank#}2{#/blank#}900         {#blank#}3{#/blank#}

3角5分{#blank#}4{#/blank#}0.35元         3米2分米{#blank#}5{#/blank#}3.02米