Contact us
Choose a category below so we can get back to you as quickly as possible.
10以內所有質數是:2、3、5、7;和是2+3+5+7=17,其中既是質數又是偶數的是2;故答案為:17,2.
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.