AO=DO
△AOC=△COD
△AOB=△BOD
=>△AOC+△AOB=1/2△ABC=1/2
=>△ACO=1/2-1/10=2/5
=>△CBE=1/2/5=3/5
=>AE:EB=2/5:3/5=2:3
=>△AOE=1/10÷3×2=1/15
AO=DO
△AOC=△COD
△AOB=△BOD
=>△AOC+△AOB=1/2△ABC=1/2
=>△ACO=1/2-1/10=2/5
=>△CBE=1/2/5=3/5
=>AE:EB=2/5:3/5=2:3
=>△AOE=1/10÷3×2=1/15