No Plagiarism!we8r3VBRhogDJ0rvowCMposted on PENANA
主題:兩位數X118964 copyright protection548PENANAQrU9CKpr62 維尼
*學生實用性:★★★8964 copyright protection548PENANACZD2dJ1YFP 維尼
*正常人實用性:★★☆8964 copyright protection548PENANAjSqemNXQXn 維尼
*難易度:★☆☆
照口訣操作即可8964 copyright protection548PENANA0ZYl3De9dk 維尼
5擺最左邊...2放最右邊8964 copyright protection548PENANAI5oKKqgDr0 維尼
中間為兩數相加,5+2=7⮕填78964 copyright protection548PENANAT3dnfAQrdt 維尼
大功告成,很簡單吧!右邊的27X11也是相同道理8964 copyright protection548PENANAHMk1Psp1mr 維尼
那如果相加大於或等於10呢?8964 copyright protection548PENANAHXJ20ZUO3L 維尼
8964 copyright protection548PENANAEdd9n2EBvq 維尼
3擺最左邊...7放最右邊8964 copyright protection548PENANAcs7u5HQGUY 維尼
中間為兩數相加,3+7=10⮕填108964 copyright protection548PENANADI5BgGEm0Y 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 protection548PENANA7vnZnv8Owl 維尼
得到答案4078964 copyright protection548PENANAOfHekaQxkW 維尼
大功告成,很簡單吧!8964 copyright protection548PENANAekgv2eXZlE 維尼
防止你不懂,在看一題8964 copyright protection548PENANABSAMoABU3T 維尼
8964 copyright protection548PENANA7RwVkPE9r4 維尼
6擺最左邊...9放最右邊8964 copyright protection548PENANAEwZ9vGxiUq 維尼
中間為兩數相加,6+9=15⮕填158964 copyright protection548PENANA2CmMgPnv4F 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 protection548PENANAn7V6PcZkCf 維尼
得到答案7598964 copyright protection548PENANAdJXQXZkoO3 維尼
大功告成,很簡單吧!8964 copyright protection548PENANAchDbm69AQM 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 protection548PENANAhtgMdJRxjU 維尼
答案在下方8964 copyright protection548PENANANw6SmfSPT6 維尼
552Please respect copyright.PENANAcesp7IEwoR
8964 copyright protection548PENANANYnywdUqM7 維尼
552Please respect copyright.PENANAYusw1Q0AS3
8964 copyright protection548PENANA95fxZHeOe2 維尼
552Please respect copyright.PENANAkWfE8PlQ0G
8964 copyright protection548PENANA9yVbnwT6as 維尼
552Please respect copyright.PENANAkBG37K7Ld1
8964 copyright protection548PENANAI6WL9PfywK 維尼
552Please respect copyright.PENANAXX1kB98MHF
8964 copyright protection548PENANAmVehsIkuB1 維尼
8964 copyright protection548PENANAk97lCXfCWd 維尼
你答對了嗎?若有不懂的歡迎在留言區詢問8964 copyright protection548PENANAO7gFTACyV8 維尼
證明8964 copyright protection548PENANADbd33KkNgM 維尼
其實這沒什麼,只要有眼必定看得懂8964 copyright protection548PENANAluyF4vzE4h 維尼
如圖,知道為什麼中間是兩數相加了吧!8964 copyright protection548PENANAoK7WLpg9zO 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 protection548PENANABPkiBF0Q41 維尼
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