Sai rồi bạn ơi kết quả là 80% cơ
Bài giải
27 hơn 15 số đơn vị là :
27 - 15 = 12
27 hơn 15 số phần trăm là:
12 : 15 = 80 %
Đáp số : 80%
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Đọc tiếp
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