Contact us
Choose a category below so we can get back to you as quickly as possible.
1,10,17,22,25,26 你不是說n是自然數麼--怎麼跑出負數了. 很簡單當26-n=0^2,1^2,2^2,3^2,4^2,5^2的時候就行了,分別算出來自然數裏不包括負數的,如果你要負數的話那有無窮多個了
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.