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phanhnguyenthanhthu2204
2 năm trước
Câu 1: Cho các loại cây sau: cây lúa, cây cam, cây cau, cây Ngô, cây đậu xanh. a/ những cây nào là cây 1 Lá mầm, những cây nào là cây 2 Lá mầm? b/ Để phân biệt cây 1 lá mầm và cây 2 lá mầm cần dựa vào đặc điểm cụ thể nào?
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