一題數學題:－線上遊戲排行榜2013/2014,進擊的巨人線上看,candy crush saga外掛,正妹寫真三圍

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一題數學題

Oct 18th 2013, 13:52

可否說一下為甚麼
2*3*5*7*13
會變成
13*2*7*3*5

答:此為乘法交換率(即a*b=b*a)，可以用其他較小數字代入，例如:12=4*3=3*4，至於13*2*7*3*5是怎麼來的?就是從2730分解出來，(因13*2*7*3*5=2730)

希望能幫助到你^√^

參考資料：自己囉~!

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