Contact us
Choose a category below so we can get back to you as quickly as possible.
원 식=3/2*4/3*5/4**99/98*100/99=100/2=50(첫 번 째 분수 의 분자 부터 마지막 분수 의 분모 까지 모두 없 앨 수 있다)
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.