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What are the key points and difficulties of the second volume of mathematics in the third grade of the primary school people's education edition?
1, all in line with Newton's theorem (regardless of quantity)

2, score (you know what is going on.

3. That pile of things about the alarm clock (you know, every minute, every second, and by the way, clockwise and counterclockwise, it may be pulled into the mirror for imaging and so on.

4, all kinds of geometric figures (plane and solid.

5, a variety of simple algorithms (this is the kind of 3 digits multiplied by 2 digits in the writing process. There are also some known formulas.

6, a balance, how many bananas are equal to how many apples, how many apples are equal to how many pears, how many pears are equal to how many grapes, and finally ask you how many banana pears and grapes are equal to each other.

7, a bunch of numbers, find the pattern and write what should be next ~