Contact us
Choose a category below so we can get back to you as quickly as possible.
3-(-1)=4 11-(-1)=12 11-(-25)=36 83-(-25)=108 83-(-241)=324 規律就是奇數减去相鄰的偶數的值乘以3就是下一個數的值.只要注意正負數就可以了
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.