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![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
1. So sánh phân số sau mà không cần tính.
A= $\dfrac{54.107-53}{53.167+54}$
B= $\dfrac{135.269-133}{134.269+135}$
A= $\dfrac{54.107-53}{53.167+54}$
B= $\dfrac{135.269-133}{134.269+135}$