16.3÷9.63＝{#blank#}5{#/blank#}÷{#blank#}6{#/blank#}         54.38÷6.4＝{#blank#}7{#/blank#}÷{#blank#}8{#/blank#}

B÷0.53＜1，B{#blank#}1{#/blank#}；15.3÷B＞1，B{#blank#}2{#/blank#}；17.8÷B＞1，B{#blank#}3{#/blank#}；

0.53÷B＜0.53，B{#blank#}4{#/blank#}；15.3÷B＞15.3，B{#blank#}5{#/blank#}；17.8÷B＞17.8，B{#blank#}6{#/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#}

35×76{#blank#}1{#/blank#}75×36      55{#blank#}2{#/blank#}17×3

18×29{#blank#}3{#/blank#}29×18      500÷6{#blank#}4{#/blank#}400÷6

756×0.9{#blank#}1{#/blank#}756            4.25×1.1{#blank#}2{#/blank#} 4.25

1.96÷0.99{#blank#}3{#/blank#}1.96         4.4÷1.8{#blank#}4{#/blank#}4.4