I am a teacher who has been teaching math in Korea for more than 30 years.
Korea math is strong.
Such a Korean student wants to let you know how to study math.
I will tell you what math problems middle and high school students in Korea solve.
I'm posting the questions that I'm teaching on that day and that day.
Experience Korean mathematics.
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이걸 계산기 없이 빠르게 그것도 암산으로 한다고 이게 실화야!!!You can do it in your head without a calculator. 계산기 없이 빠르게 계산하기
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