B?n hoa nhà b?n Lam là hình bình hành có ?? dài m?t c?nh và chi?u cao t??ng ?ng l?n l??t là 12 dm và 8 dm có di?n tích là: (Ch? ???c ch?n 1 ?áp án) A. 8 m² B. 48 dm² C. 12 m² D. 96 dm²
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