[4-2, 1단원] 분수끼리 더하고 빼는 3가지 방법 / 분수의 덧셈과 뺄셈
Synopsis
분모가 같은 분수의 덧셈과 뺄셈을 공부해봅시다. 1. 진분수 + 진분수 2. 진분수 - 진분수 3. 대분수 + 대분수 4. 대분수 - 대분수 5.
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