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新圖形的長是:3x5=15釐米 寬是:3x3=9釐米 所以周長是:(15+9)x2=48咯米 面積是:15x9=135平方釐米 很高興為您解答,【學習寶典】團隊為您答題. 請點擊下麵的【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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