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The book can greatly improve problem solving skill. Too bad the soltions are not clear enough. 500 questions should take me around 2 months.
What is the standard like? National Olympiad?
Some are at the olympiad level, other ones are easy ones are a small challenge for normal high school students. Overall, this book trains the problem solving skills and I like that :)
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What is the standard like?
What is the standard like? National Olympiad?
Some are at the olympiad
Some are at the olympiad level, other ones are easy ones are a small challenge for normal high school students. Overall, this book trains the problem solving skills and I like that :)
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