{#blank#}1{#/blank#}÷50＝6       540÷9＝{#blank#}2{#/blank#}     240÷{#blank#}3{#/blank#}＝6

{#blank#}4{#/blank#}÷4＝8   {#blank#}5{#/blank#}÷{#blank#}6{#/blank#}＝3    1800÷{#blank#}7{#/blank#}＝60   {#blank#}8{#/blank#}÷80＝6         96÷{#blank#}9{#/blank#}＝16

被除数乘6，除数除以6，商不变。

9.5x0.98{#blank#}1{#/blank#}9.5           5.4÷0.98{#blank#}2{#/blank#}5.4

2.25÷0.5{#blank#}3{#/blank#}2.25x0.5       7.8x1{#blank#}4{#/blank#}7.8÷1

0.36÷0.90.36 1.1×6.56.5 7.3÷0.373÷3