Who can help me to review unit 1 ~ 3 of Volume 1 (PEP) of primary school mathematics grade 6

Score multiplication and division method:
1) Understand the calculation method
2) Proficiency
3) Do more papers, recommended: Yili, Xinjiang
4) Recite key points, to achieve the level of recitation
5) Set goals for yourself and give rewards when you reach them
6) Prepare a "wrong problem set", copy all the wrong problems on it, analyze the reasons, and do it again regularly
I forgot to introduce it. I'm in grade six. This is the way our math teacher teaches

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