The math because it is easy to understand. Each person has a different understanding, but in mathematics, all have a matching formula, although with the recipes, but it's anyone, it can be applied.
Math is a subject easy to understand. Each has a different understanding in math, but all have the same recipe, even with quick recipes, but all of them can be applied.
Math. Because the course is easy to understand. Each has a different understanding, but in mathematics all have matching formula, although there สูตรลัด but everyone can be applied.