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Mathematics research in junior high school: how to make an investigation and research plan for commodity discount activities during the Spring Festival, how to implement this plan and how to do it?
First of all, you should have a clear purpose, that is, write down the topic in the first line.

That's thorough. Detailed survey outline.

Then according to the survey outline, list the objects that need to be investigated.

Finally, do a good job of induction.

Specifically, I won't frame it.

Questionnaire title, survey description and filling requirements

Problems and corresponding options

Name of investigator, time and place of investigation