书博山道中壁朗读:The difficult maths problem he has just put up is _____ me

The difficult maths problem he has just put up is _____ me Maths.... the opposite word of "difficult" What is the oposite word of difficult? Nothing is difficult to the man who willtry What's the most difficult train to catch? The most difficult thing in life is know yourself --Was the test difficult？ --Not at all，we found_________. I find the problem difficult to work out. 英语作文:the most interesting subjuct and the most difficult subjuct