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Huong033
2 năm trước
câu 1: Lớp 6A có 40 học sinh gồm 3 loại giỏi, khá, trung bình. Số học sinh giỏi chiếm 1/5 tổng số học sinh cả lớp và số học sinh giỏi cũng bằng 4/3 số học sinh khá. a, Tính số học sinh mỗi loại của lớp 6A b, Tính tỉ số phần trăm của học sinh trung bình với học sinh cả lớp Làm nhanh giúp mình nhé, 10h15 cố làm xong hộ mình nhé
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