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今日の計算 答え
【解説】3001×2999=(3000+1)×(3000−1)=3000×3000−1×1=9000000−1=8999999
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【解説】3001×2999=(3000+1)×(3000−1)=3000×3000−1×1=9000000−1=8999999
Copyright © ITmedia, Inc. All Rights Reserved.