Contact us
Choose a category below so we can get back to you as quickly as possible.
4/9=16/36 5/12=15/36 3/7=24/56 4/11=24/66 如果本題有什麼不明白可以追問, 另外發並點擊我的頭像向我求助,請諒解,
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.