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[수학소리 10m] 네 분수를 알아라!(5편) ㅣ 분자를 분모값으로 나누면? ㅣ 분수에 사용하는 수 ㅣ 기약분수 ㅣ 초,중학생 모여라! 언더스탠드륨 6 years ago Play Download
[EBS Math Answers] Using Letters - Substituting Fractions into Denominators EBS Learning 3 years ago Play Download
Teacher Jojo, advanced math! Let's try calculating fractions. It's a rational equation. 조조쌤수학 JoJo Math 3 years ago Play Download
