∵∠BCD=∠A+∠B,∴∠A=∠BCD-∠B=100°-40°=60°,∴∠ACB=180°-∠BCD=180°-100°=80°,∵CE平分∠ACB,∴∠ACE=40° ∠ACB=40°.故答案为:60,40.