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![](https://rs.olm.vn/images/avt/0.png?1311)
5/7 < 4/3
7/2 > 4/79
2/5 < 6/10
15/23 < 1
1/4 = 3/12
27/9 > 2
27/36 > 2/9
14/15 < 1
7/6 > 7/9
51/17 = 3/1
tk mình nha bạn, mình kp vs bạn r đó. .. ^^
5/7 < 4/3 7/2 > 4/79 2/5 < 6/10 15/23 < 1 1/4 = 3/12 27/9 > 2 27/36 > 2/9 14/15 < 1 7/6 > 7/9 51/17 = 3/1
![](https://rs.olm.vn/images/avt/0.png?1311)
5/7 < 4/3 2/5 < 6/10 1/4 = 3/12
27/36 > 2/9 7/6 > 7/9 7/2 > 4/79
15/23 < 1 27/9 > 2 51/17 = 3/1
Mình làm vậy đúng hơm nà??? ==
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\dfrac{3}{4}=\dfrac{12}{16};\dfrac{5}{6}>\dfrac{7}{9};\dfrac{4}{15}< \dfrac{4}{13};\dfrac{5}{4}-\dfrac{5}{6}>\dfrac{3}{4}-\dfrac{2}{3}\)
![](https://rs.olm.vn/images/avt/0.png?1311)
a, \(\dfrac{5}{6}\) = \(\dfrac{10}{12}\) = \(\dfrac{30}{36}\) b, \(\dfrac{40}{16}\) = \(\dfrac{10}{4}\) = \(\dfrac{200}{80}\)
c, \(\dfrac{9}{12}\) = \(\dfrac{3}{4}\) = \(\dfrac{54}{72}\) d, \(\dfrac{84}{21}\) = \(\dfrac{28}{7}\) = \(\dfrac{4}{1}\)
5/7 < 4/3 2/5 < 6/10 1/4 = 3/12 27/36 > 2/9 7/6 > 7/9