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nhoangngan095
2 năm trước
1.Diện tích hình tam giác ACM là 9,6 cm². Diện tích hình tam giác ABC là : A. 149,2cm² B. 38,4cm² C. 28,8cm² D. 76,8cm² 2. Điền số thích hợp vào chỗ chấm: 54328m²= .........ha........m² 5dm3 65cm3=............cm3 2268phút=.........ngày...........giờ............phút
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