× {#blank#}1{#/blank#}   

{#blank#}2{#/blank#} ÷

16× {#blank#}3{#/blank#}16÷  

÷ {#blank#}4{#/blank#} ×

1.4×0.5×0.8＝{#blank#}1{#/blank#}

1.25×2×0.4＝{#blank#}2{#/blank#}

2.5×0.4×1.6＝{#blank#}3{#/blank#}

3.2×1.5×2＝{#blank#}4{#/blank#}

1.2×0.5×0.5＝{#blank#}5{#/blank#}

0.2×0.2×0.2＝{#blank#}6{#/blank#}

8÷0.1＝    6÷7＝      ＋ ＝      － ＝

7.8－0.08＝   0.6×0.5＝      1－ ＝      18÷36＝

5.66÷5.8{#blank#}1{#/blank#}5.66        0.37÷0.25{#blank#}2{#/blank#}0.37

4.8×0.8{#blank#}3{#/blank#}4.8           1.8÷0.4{#blank#}4{#/blank#}1.8÷4