看谁先到家。
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→20÷5={#blank#}4{#/blank#}→4÷2={#blank#}5{#/blank#}→ ![](http://tikupic.21cnjy.com/2024/01/03/df/5b/df5bf172a810a16cfad9fbf496aa7010.jpg)
30÷6={#blank#}6{#/blank#}→6÷3={#blank#}7{#/blank#}→15÷5={#blank#}8{#/blank#}
→8÷2={#blank#}9{#/blank#}→16÷8={#blank#}10{#/blank#}→ ![](http://tikupic.21cnjy.com/2024/01/03/df/5b/df5bf172a810a16cfad9fbf496aa7010.jpg)