The teacher asked Xiao Ming how many people were in your class, and Xiao Ming said that there were a

If the number of boys is a multiple of and 7, then the least common multiple is 28,28 (1-1 2-1 4-1 7) = 3 and less than 6.

A: There are 28 boys in this class.

The teacher asked Xiao Ming, "What is Xiao Ming's one plus one?" Xiao Ming said

I don't know. The teacher said, "You don't know anything, go back and ask your family."

After school, Xiao Ming came home and asked his mother, his mother was stir-frying, Xiao Ming asked his mother: "Mom, what is one plus one?" "Mom said:

Good dishes" Xiao Ming asked his father again: "Dad, what is one plus one?" "Dad was reading the newspaper.

Seeing the tiger, he said: "Tiger" Xiao Ming went to ask his sister again. My sister is watching a TV series.

Xiao Ming said: "What is one plus one sister?" My sister said

Honey, don't go" Xiao Ming went to ask his grandfather again, and his grandfather was practicing calligraphy. Xiao Ming said: "Grandpa, what is one plus one?"

Grandpa said, "***." "The next day, the teacher asked Xiao Ming:

What is one plus one? "Xiao Ming said: "Good dish."

The teacher was very angry and said: "How many is it" Xiao Ming said: "Tiger" The teacher was angry and left, but as soon as the teacher walked outside the door, Xiao Ming said:

Don't go, dear. The teacher said, "Who called me just now?"

Xiao Ming saidThe teacher was even angrier.

Mom said, what? My son doesn't even know that 1+1 is equal