3-1 1단원. 안에알맞은수를써넣으세요(4/8+1/5=), 739-516=(7-5)+(3-1)+(9-6)=++=, 덧셈을하세요(138+2~) 등의 초등 수학 분수·덧셈 개념 문제
Rating 5
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T-ㅅ ㅔㄹ ㅍ ㅏ (3-1.1단원)
멋찐남[개인게시판]
