Contact us
Choose a category below so we can get back to you as quickly as possible.
連接BD,與AF交於點G,三角形ABD和三角形ABF面積相等(同底等高),又因為三角形ABG和三角形GED面積相等(同底等高)所以三角形ABF和三角形ADE面積相等
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.