No Plagiarism!ri4JkplB4mkcVXsQ3Hqmposted on PENANA
主題:兩位數X118964 copyright protection142PENANAwMmmpmATak 維尼
*學生實用性:★★★8964 copyright protection142PENANA7TjI2FZWeC 維尼
*正常人實用性:★★☆8964 copyright protection142PENANAaiQs8KCdMw 維尼
*難易度:★☆☆照口訣操作即可8964 copyright protection142PENANATcI6XAgbpQ 維尼
5擺最左邊...2放最右邊8964 copyright protection142PENANAhZCrhh2k79 維尼
中間為兩數相加,5+2=7⮕填78964 copyright protection142PENANAoDYXQqfMcW 維尼
大功告成,很簡單吧!右邊的27X11也是相同道理8964 copyright protection142PENANAkxO9qhSQEI 維尼
那如果相加大於或等於10呢?8964 copyright protection142PENANAIxXwZOgNBx 維尼
8964 copyright protection142PENANAek7So8hCnX 維尼
3擺最左邊...7放最右邊8964 copyright protection142PENANA0BiPJWqluP 維尼
中間為兩數相加,3+7=10⮕填108964 copyright protection142PENANAFd4nXDit8u 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 protection142PENANAvi7lEsGRTQ 維尼
得到答案4078964 copyright protection142PENANA6ZTJFud2Hj 維尼
大功告成,很簡單吧!8964 copyright protection142PENANAD5SiJpHvXm 維尼
防止你不懂,在看一題8964 copyright protection142PENANAuWlNhRtFS8 維尼
8964 copyright protection142PENANA8lXJUbsJQW 維尼
6擺最左邊...9放最右邊8964 copyright protection142PENANAaJ1Frxh2iz 維尼
中間為兩數相加,6+9=15⮕填158964 copyright protection142PENANA2eDfJY4ZUb 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 protection142PENANAOGXjmGdxMP 維尼
得到答案7598964 copyright protection142PENANA3etwO4boPP 維尼
大功告成,很簡單吧!8964 copyright protection142PENANACPROVbV1EV 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 protection142PENANAaMmyQMfKli 維尼
答案在下方8964 copyright protection142PENANAfbJ3SGFn2h 維尼
146Please respect copyright.PENANAIFmayq5KmY
8964 copyright protection142PENANAFaDinXFxNm 維尼
146Please respect copyright.PENANAOQRplFY7Eo
8964 copyright protection142PENANAh53dMKLqiU 維尼
146Please respect copyright.PENANA1mlLPm3Vsv
8964 copyright protection142PENANA2mbLbdnWzH 維尼
146Please respect copyright.PENANAArrXOpKKJ7
8964 copyright protection142PENANAG12mRs8Lu9 維尼
146Please respect copyright.PENANAp5jmL69AGp
8964 copyright protection142PENANA4jt4iA0h5E 維尼
8964 copyright protection142PENANAfNGTfDD6Yj 維尼
你答對了嗎?若有不懂的歡迎在留言區詢問8964 copyright protection142PENANAZPzWRwBXQN 維尼
證明8964 copyright protection142PENANA8pfS6AdQOu 維尼
其實這沒什麼,只要有眼必定看得懂8964 copyright protection142PENANAdmRarQNIFA 維尼
如圖,知道為什麼中間是兩數相加了吧!8964 copyright protection142PENANAjEwLcnIweg 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 protection142PENANAoYvL0IOA6e 維尼
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