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열에 맞춰 1-10000 더하고 빼기

열에 맞춰 1-100 더하기 (받아올림 없음)

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4+2=6+32146+3214461+3=4


열에 맞춰 1-100 더하기 (받아올림 있음)

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5+7= 2+67752+67751427+6+ =1411


열에 맞춰 1-100 빼기 (받아내림 없음)

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4−1=3−31743−3174437−3=4


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