1.số học sinh của lớp 5A là 40 em nữ chiếm 47,5% số học sinh cả lớp hỏi lớp 5A có bao nhiêu học sinh nam? 2.Tìm 15 phần trăm của 14 kg [ viết cả phép tính ]: Tìm 0,5 phần trăm của 40 m [ viết cả phép tính ]:

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