700÷50={#blank#}1{#/blank#}

3.87÷43{#blank#}1{#/blank#}38.7÷43

52÷4{#blank#}2{#/blank#}5.2÷0.4

25.8÷2{#blank#}3{#/blank#}25.8×0.5

14.2÷1.6{#blank#}4{#/blank#}14.2÷16

我发现：{#blank#}5{#/blank#}

4.29÷0.33={#blank#}1{#/blank#}

2.32÷0.08={#blank#}2{#/blank#}

6.08÷0.64={#blank#}3{#/blank#}

2.28÷1.9={#blank#}4{#/blank#}

1.82×0.9{#blank#}1{#/blank#}1.82            2.61÷0.09{#blank#}2{#/blank#}2.61

3.6×1.2{#blank#}3{#/blank#}3.6÷1.2         4.2÷0.5{#blank#}4{#/blank#}4.2×2

105×42=              280×69=

※902÷23=      25500÷2700=