T this is an equilibrium, so it is not difficult to have two sets of solutions, x=y=0, x=y= 1. The first group shows that species extinction is balanced; The second set of solutions shows that when the prey and hunter only have 1, they do not invade each other. In fact, it is not difficult to understand that it is not just human beings who are lonely. . . That is beside the point. In fact, it is the result of this powerful equation. I am embarrassed. Hope to adopt. . .
Lesson One of Grade One in Primary School 1
Teaching objectives:
1. Through activities and exchanges, I know th