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self-learning by Luyeom-week3_hw6 #14

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9 changes: 5 additions & 4 deletions homeworks/week3/hw6.md
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## hw1：好多星星

一開始興高采烈地把筆記上的code寫上去，卻一直失敗，才發現要把上面那一段code也加進去，沒有仔細看題目真是壞習慣。
## hw2：水仙花數

身為數學成績爛到有剩的人，當然是題目有看沒有懂，查了很多範例，還是想不出要怎麼解，所以只好先看解說影片來解題，然後又是一連串的錯誤訊息。關於外包函式的做法，現在還是搞不太懂要先跑哪個函式，得多練習一些題目來建立邏輯。
## hw3：判斷質數

原本我把return false的條件寫在一起: if(n===1 && n%i ===0)，結果一直跑不出AC，把兩個條件分開寫就成功了，不知道是為什麼呢?
## hw4：判斷迴文

要倒轉函式，就要將疊加的迴圈改為遞減，再一個一個比對是否跟原字串相同。
## hw5：聯誼順序比大小
這個題目除了要比數字大小，還要注意數字的長度，就像用電腦排序時，如果個位數的數字前方沒有加上0，排序就會亂掉一樣。