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No Plagiarism!4fUgpNy0GWJGJ3MRYcr8posted on PENANA
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一直以來都學著直式乘法,這次來學學不用直式,只要畫圖的乘法。當然這不會比較快,只是提供一種新的乘法方式,那我們開始吧!8964 copyright protection146PENANAfOwnBpt4aQ 維尼
切記:線畫越直越好,畫越開越好8964 copyright protection146PENANA43gqv0qt6d 維尼
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由左畫到右:十位數統一畫左邊,個位數畫右邊8964 copyright protection146PENANAu9syAgZe78 維尼
數交點:考驗眼力的時刻,先將圖分成三部份(能先圈起來方便區別),左至右分別為百位、十位和個位,再將藍線紅線的交點數量寫在下方。8964 copyright protection146PENANAUu2E5ieatR 維尼
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大功告成,很簡單吧!8964 copyright protection146PENANA2PKeVKCcXN 維尼
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由左畫到右:十位數統一畫左邊,個位數畫右邊8964 copyright protection146PENANADJiyvY88u6 維尼
數交點:左邊18、中間15、右邊2,這時要進位!!!。再將藍線紅線的交點數量寫在下方。8964 copyright protection146PENANAc04FSVa13V 維尼
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大功告成,很簡單吧!8964 copyright protection146PENANAgYPo9lrSlm 維尼
最後來練習幾題吧8964 copyright protection146PENANAHABN1EmmCZ 維尼
答案在下方8964 copyright protection146PENANA8pCHB5534Q 維尼
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你答對了嗎?若有不懂的歡迎在留言區詢問,我們下次見!8964 copyright protection146PENANAOyV5VeS1yd 維尼
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