No Plagiarism!uFGXPas1E5zqTGUspeNgposted on PENANA
主題:兩位數X118964 copyright protection497PENANAgTnMi0RDlH 維尼
*學生實用性:★★★8964 copyright protection497PENANAQ5W3TAtB87 維尼
*正常人實用性:★★☆8964 copyright protection497PENANAdrTfW0jB80 維尼
*難易度:★☆☆
照口訣操作即可8964 copyright protection497PENANAs2PHbfJcN3 維尼
5擺最左邊...2放最右邊8964 copyright protection497PENANAnJ4xOCrGrQ 維尼
中間為兩數相加,5+2=7⮕填78964 copyright protection497PENANAdbNPlogM9G 維尼
大功告成,很簡單吧!右邊的27X11也是相同道理8964 copyright protection497PENANA9DyExQ7PKn 維尼
那如果相加大於或等於10呢?8964 copyright protection497PENANAwqAhKgElhw 維尼
8964 copyright protection497PENANAKnygYv33GD 維尼
3擺最左邊...7放最右邊8964 copyright protection497PENANAxrNM6WC60F 維尼
中間為兩數相加,3+7=10⮕填108964 copyright protection497PENANAqi9pINdd2Q 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 protection497PENANAEl0PY5DNk3 維尼
得到答案4078964 copyright protection497PENANA9ABnyoa7Ma 維尼
大功告成,很簡單吧!8964 copyright protection497PENANApzJw8dRbft 維尼
防止你不懂,在看一題8964 copyright protection497PENANAZ6dBPOMeyw 維尼
8964 copyright protection497PENANAZhrTXF7FoS 維尼
6擺最左邊...9放最右邊8964 copyright protection497PENANAIluIPISXjA 維尼
中間為兩數相加,6+9=15⮕填158964 copyright protection497PENANA11DQ6nxlsj 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 protection497PENANALh8bmASRt2 維尼
得到答案7598964 copyright protection497PENANAfaTfJ6ndcy 維尼
大功告成,很簡單吧!8964 copyright protection497PENANAzVEVWOKGbH 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 protection497PENANA6Kz1WJFnfG 維尼
答案在下方8964 copyright protection497PENANA7eN7lVzqFe 維尼
501Please respect copyright.PENANAMmF3PZCIDr
8964 copyright protection497PENANAhIYVEac6aJ 維尼
501Please respect copyright.PENANAPoQ9jN48y7
8964 copyright protection497PENANAnMjm51LHVt 維尼
501Please respect copyright.PENANAQuxUXTmSPr
8964 copyright protection497PENANAvVY2VvhYza 維尼
501Please respect copyright.PENANAdoN3WmzoZq
8964 copyright protection497PENANA9qSWQcVCSg 維尼
501Please respect copyright.PENANA35Psrz5EV2
8964 copyright protection497PENANAm5y27l0LKI 維尼
8964 copyright protection497PENANADgsqfEzi6o 維尼
你答對了嗎?若有不懂的歡迎在留言區詢問8964 copyright protection497PENANAGxXjNgr6sY 維尼
證明8964 copyright protection497PENANAvI5rfvPvEm 維尼
其實這沒什麼,只要有眼必定看得懂8964 copyright protection497PENANAzrTGSt1JEl 維尼
如圖,知道為什麼中間是兩數相加了吧!8964 copyright protection497PENANAgIS7m5AxdK 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 protection497PENANANy2gMcbj8I 維尼
216.73.217.1
ns216.73.217.1da2