What is 1 1? Humorous jokes.

The teacher gave everyone a 1+ 1 =? Dacheng can't figure it out When he got home, his sister told him that 1+ 1 = was very difficult. His sister told him, 1+ 1 = mom, come on. Mom told him 1+ 1 = I was busy. Dad told him, 1. When the teacher asked Dacheng, Dacheng said, 1+ 1 = It's very difficult, 1+ 1 = Mom, come on, 1+ 1 = I'm busy,1+/kloc-.

What?

Mom's words: Mimi Niu kept laughing while talking to herself, and then looked at me and said, Mom, why don't you laugh? So I think, I have to accompany "hahahaha ~ ~)