A:只靠运气就行
B:只要制订人生规划就行
C:只要有热情就行
D:要靠脚踏实地的努力
—They moved here soon after their son was born.
①AB=DE;②BC=EF;③AC=DF;④∠A=∠D;⑤∠B=∠E;⑥∠C=∠F.
已知集合A=1,2,3,B=1,3,则A∩B=( )