Contact us
Choose a category below so we can get back to you as quickly as possible.
85 這道題得從第5個數位開始看 第五個數是緊鄰前四個的和 12=1+2+3+6 23=2+3+6+12 44=3+6+12+23 同理X=6+12+23+44=85 再檢查164=12+23+44+85也成立
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.