Contact us
Choose a category below so we can get back to you as quickly as possible.
87570 점 P (5, y) 는 제4 사분면 에 있 으 며, 8756 ℃ Y < 0 이 므 로 A 를 선택한다.
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.