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2分之1比3分之1和6比4可以組成比例 2分之1:3分之1=6:4 0.6比0.2和四分之三比四分之一可以組成比例 0.6:0.2=4分之3:4分之1 很高興為您解答,【the1900】團隊為您答題. 請點擊下面的【選為滿意回答】按鈕, 如果有其他需要幫助的題目,您可以求助我.
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