When x < 100, y = X.
When x≥ 100, y=x-25.
The consumption function of Company B:
y=0.85x
Drawings available:
When X < 100, company b is cheap.
When 100 ≤ x < 500/3, Company A is cheap.
When x=500/3, the two companies are equally cheap.
When X > 500/3, Company B is cheap.
What is the position of "One" primary school subject curriculum in school curriculum construction?
Implementing the three-level curr