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Ta có:
75 45 = 75 : 3 45 : 3 = 25 15 = 25 : 5 15 : 5 = 5 3
Hoặc 75 45 = 75 : 5 45 : 5 = 15 9 = 15 : 3 9 : 3 = 5 3
Đáp án B
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\(\frac{125125}{147147}=\frac{125125:1001}{147147:1001}\)
\(=\frac{125}{147}\)
tối giản rồi bạn ơi
-.-
k mik