No Plagiarism!nnPh1czjUUUa1te4gtL5posted on PENANA
主題:兩位數X118964 copyright protection465PENANA8tug8yXaDh 維尼
*學生實用性:★★★8964 copyright protection465PENANAW1xbb0h6PR 維尼
*正常人實用性:★★☆8964 copyright protection465PENANAOOY7XByMmp 維尼
*難易度:★☆☆
照口訣操作即可8964 copyright protection465PENANABY66oecvJn 維尼
5擺最左邊...2放最右邊8964 copyright protection465PENANAfM6HYEuwlQ 維尼
中間為兩數相加,5+2=7⮕填78964 copyright protection465PENANAe44QW0Ya0p 維尼
大功告成,很簡單吧!右邊的27X11也是相同道理8964 copyright protection465PENANAQFK1JPofRj 維尼
那如果相加大於或等於10呢?8964 copyright protection465PENANA2p9XySk4ct 維尼
8964 copyright protection465PENANAfkt8CA0Ybk 維尼
3擺最左邊...7放最右邊8964 copyright protection465PENANA42KrgNd5AE 維尼
中間為兩數相加,3+7=10⮕填108964 copyright protection465PENANAwNe7hNuN8e 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 protection465PENANAbttB8oFTl4 維尼
得到答案4078964 copyright protection465PENANA0q4cZohAhi 維尼
大功告成,很簡單吧!8964 copyright protection465PENANAWRkpHWR6vd 維尼
防止你不懂,在看一題8964 copyright protection465PENANAey3gxgPMSh 維尼
8964 copyright protection465PENANAJmcw6VmSG7 維尼
6擺最左邊...9放最右邊8964 copyright protection465PENANAh0KjGY5Vh8 維尼
中間為兩數相加,6+9=15⮕填158964 copyright protection465PENANAzBWxB3Oetj 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 protection465PENANAeOyrIstPs4 維尼
得到答案7598964 copyright protection465PENANAPtQVwsxKCG 維尼
大功告成,很簡單吧!8964 copyright protection465PENANAqptT0liJOi 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 protection465PENANAxCrrcxS8c2 維尼
答案在下方8964 copyright protection465PENANAUlqrvhEAXp 維尼
469Please respect copyright.PENANAQvjXNENiYc
8964 copyright protection465PENANAIfptXdOLPZ 維尼
469Please respect copyright.PENANAFwnJr0WSxh
8964 copyright protection465PENANAr7WSZ831YH 維尼
469Please respect copyright.PENANAbzOteDdBiV
8964 copyright protection465PENANAcf0IyDMZhS 維尼
469Please respect copyright.PENANA5zUJVr0Hfn
8964 copyright protection465PENANAmqtBLDEnB7 維尼
469Please respect copyright.PENANAHEc2jDWa9Q
8964 copyright protection465PENANAOiO9lzudLZ 維尼
8964 copyright protection465PENANAM9mEquleqH 維尼
你答對了嗎?若有不懂的歡迎在留言區詢問8964 copyright protection465PENANAPubPXz8WcM 維尼
證明8964 copyright protection465PENANAsM4b2Xq3nf 維尼
其實這沒什麼,只要有眼必定看得懂8964 copyright protection465PENANARN2MMs58ce 維尼
如圖,知道為什麼中間是兩數相加了吧!8964 copyright protection465PENANAElRVlgDL67 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 protection465PENANAe1AcBPmEiw 維尼
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