0.5÷0.9{#blank#}1{#/blank#}0.5          

0.55×0.9{#blank#}2{#/blank#}0.55

36÷0.01{#blank#}3{#/blank#}3.6×100       

7.3÷0.3{#blank#}4{#/blank#}73÷3．

一箱苹果重25千克，80箱这样的苹果一共重多少千克？20箱、40箱、160箱或800箱呢？(从左到右填写)

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

2.3×1.01{#blank#}1{#/blank#}2.3     5.7{#blank#}2{#/blank#}5.7÷0.17       {#blank#}3{#/blank#}

5.04×0.99{#blank#}1{#/blank#}5.04        5.7×1.1{#blank#}2{#/blank#}5.7

3.68÷0.8{#blank#}3{#/blank#}3.68          8.9÷1.5{#blank#}4{#/blank#}8.9