Which is more suitable, eighth grade mathematics, Qidong middle school exercise book or three-year simulation of five-year senior high school entrance examination?

If you have a good foundation in mathematics, I recommend "Three-year Simulation of Five-year Senior High School Entrance Examination" because it is relatively difficult.

If the math is average, the exercise book of Qidong Middle School is OK, because it is relatively simple.

But personally, I think "three-year simulated five-year senior high school entrance examination" is better. Because there are problems and challenges.

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