[計量] 問一題數學
1< n <100, n is a whole number.
The number of possible value of n that is a multiple of 7 but not of 3.
跟10比大小
答案說10比較大
我自己算兩個一樣大@@
答案有錯嗎?
還是我腦殘...= =
有請高人指點!
謝謝!!
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