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No Plagiarism!TJ4CQY1ivh8jzyaGWGa9posted on PENANA
主題:兩位數X118964 copyright protection496PENANAD2Acz4uCxQ 維尼
*學生實用性:★★★8964 copyright protection496PENANAxZxaMX5BnX 維尼
*正常人實用性:★★☆8964 copyright protection496PENANAzyW3spnkNM 維尼
*難易度:★☆☆
照口訣操作即可8964 copyright protection496PENANAfpBEZgmV8j 維尼
5擺最左邊...2放最右邊8964 copyright protection496PENANAxpRptsxSs8 維尼
中間為兩數相加,5+2=7⮕填78964 copyright protection496PENANA0GzqMI6X5s 維尼
大功告成,很簡單吧!右邊的27X11也是相同道理8964 copyright protection496PENANA9KJ7JDrTzr 維尼
那如果相加大於或等於10呢?8964 copyright protection496PENANANbZNNDxuBX 維尼
8964 copyright protection496PENANAl3gQx5yyrr 維尼
3擺最左邊...7放最右邊8964 copyright protection496PENANAKYwQYcnUVP 維尼
中間為兩數相加,3+7=10⮕填108964 copyright protection496PENANAOK4bpUVkyc 維尼
答案沒那麼大,因此只要超過或等於10一律進位(進1補0)8964 copyright protection496PENANAjbaDk40LSX 維尼
得到答案4078964 copyright protection496PENANAS161Y6PNmi 維尼
大功告成,很簡單吧!8964 copyright protection496PENANAbnD9Z6OmZX 維尼
防止你不懂,在看一題8964 copyright protection496PENANAnI9D2HwVlL 維尼
8964 copyright protection496PENANAiuaPgi4hTi 維尼
6擺最左邊...9放最右邊8964 copyright protection496PENANAJH3emh4zJf 維尼
中間為兩數相加,6+9=15⮕填158964 copyright protection496PENANAfmG9BKEyys 維尼
答案沒那麼大,因此只要超過或等於10一律進位(進1補5)8964 copyright protection496PENANAdPsIOhiTNa 維尼
得到答案7598964 copyright protection496PENANA6CKaSmAAy3 維尼
大功告成,很簡單吧!8964 copyright protection496PENANAb7Pi8FJ5cj 維尼
最後來練習幾題吧,前期不熟建議用紙筆幫忙,熟練後便可直接算了8964 copyright protection496PENANAU9RExD74P8 維尼
答案在下方8964 copyright protection496PENANAIjvWWSlCt2 維尼
500Please respect copyright.PENANAJNgH1wMJZq
8964 copyright protection496PENANASvNsNH3tRn 維尼
500Please respect copyright.PENANAmQua8wWZQd
8964 copyright protection496PENANAIfznMbfkch 維尼
500Please respect copyright.PENANALaMF2Mjavq
8964 copyright protection496PENANAIyi19ExOco 維尼
500Please respect copyright.PENANAfkTcLTr2jq
8964 copyright protection496PENANAWpdykSgkL5 維尼
500Please respect copyright.PENANA3pYyYQAry3
8964 copyright protection496PENANA88tuXwSAvh 維尼
8964 copyright protection496PENANAxFA542yfLI 維尼
你答對了嗎?若有不懂的歡迎在留言區詢問8964 copyright protection496PENANAl0DzzoLi74 維尼
證明8964 copyright protection496PENANAMHK4IXTjOc 維尼
其實這沒什麼,只要有眼必定看得懂8964 copyright protection496PENANAyV5JAg7p7D 維尼
如圖,知道為什麼中間是兩數相加了吧!8964 copyright protection496PENANAeG9zzuEiUU 維尼
今天學會了兩位數X11的速算,之後會陸續教更多技巧,喜歡的話歡迎加個書籤按個愛心8964 copyright protection496PENANAwoqHCWJeGp 維尼
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