x
No Plagiarism!VKsCMKqpU2VY2xmnvq3tposted on PENANA
上面這招雖然不一定比較快,但卻比較順,原先寫直式,還要進位退位容易出錯。現在直接兩數各自加或減相同的數字8964 copyright protection105PENANAJmDoketlaV 維尼
記住,只有減法能用這招!!!8964 copyright protection105PENANAJLJjTHWKWJ 維尼
解釋一下:因為x25=x100÷4,所以之後只要加00再除4即可。8964 copyright protection105PENANANdL8PEHcX8 維尼
同理/25也是相同道理:/25=x4÷100,所以之後只要乘4在將小數點左移兩位即可。8964 copyright protection105PENANAJ2Bpb03OwP 維尼
接著來看看0.258964 copyright protection105PENANAp0foOhPK7T 維尼
8964 copyright protection105PENANAWPdLBtYZQ2 維尼
x0.25=x25÷100=÷48964 copyright protection105PENANAFEku92FM1f 維尼
÷0.25=x100÷25=x48964 copyright protection105PENANA3e7KlUD5BQ 維尼
照上述方式操作即可:至於為何axb%=bxa%在後方會證明8964 copyright protection105PENANA7w4FdFenIG 維尼
最後來練習幾題看看:
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答案在下方8964 copyright protection105PENANAY7UYJcrvC2 維尼
109Please respect copyright.PENANAI9sUlR2Eyf
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109Please respect copyright.PENANAZSaIF163TI
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109Please respect copyright.PENANAgxhxw5F1Ll
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你答對了嗎?若有不清楚的地方歡迎在留言區詢問8964 copyright protection105PENANAk3sTog8Z1i 維尼
證明時間:8964 copyright protection105PENANAYudNhdiNcl 維尼
109Please respect copyright.PENANAzReRirgE49
8964 copyright protection105PENANAjY5xB65DxL 維尼
最後總複習一下:8964 copyright protection105PENANArty9ItsJ3h 維尼
8964 copyright protection105PENANAC4uU2oc224 維尼
OK今天學玩了幾個偷吃步的技巧,下次見!!!8964 copyright protection105PENANAxhtTz0m9IC 維尼
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