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\(\frac{37}{89}\)\(\frac{38}{89}\)\(\frac{78}{89}\)\(\frac{37}{98}\)
\(\frac{12}{17}\)\(\frac{14}{17}\)\(\frac{18}{17}\)\(\frac{12}{19}\)
\(\frac{49}{60}\)\(\frac{5}{6}\)\(\frac{4}{5}\)\(\frac{3}{4}\)
![](https://rs.olm.vn/images/avt/0.png?1311)
Ta có:
\(\frac{42}{43}=\frac{43-1}{43}=1-\frac{1}{43}\)
\(\frac{17}{18}=\frac{18-1}{18}=1-\frac{1}{18}\)
\(\frac{14}{15}=\frac{15-1}{15}=1-\frac{1}{15}\)
\(\frac{26}{27}=\frac{27-1}{27}=1-\frac{1}{27}\)
\(\frac{32}{33}=\frac{33-1}{33}=1-\frac{1}{33}\)
Vì \(\frac{1}{15}>\frac{1}{18}>\frac{1}{27}>\frac{1}{33}>\frac{1}{43}\)
=>\(1-\frac{1}{15}<1-\frac{1}{18}<1-\frac{1}{27}<1-\frac{1}{33}<1-\frac{1}{43}\)
=>\(\frac{14}{15}<\frac{17}{18}<\frac{26}{27}<\frac{32}{33}<\frac{42}{43}\)
![](https://rs.olm.vn/images/avt/0.png?1311)
Từ bé đến lớn : 13/14;14/15;15/16;16/17;17/18;18/19;19/20
Chúc bạn học tốt nhé!!!
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a) 1/2
b) 18/17; 17/16; 16/15; 15/14; 14/13; 13/12; 10/9
Nhớ k cho mk nha
a)1/2
b)Vì 18/17 <17/16 <16/15<15/14< 14/13< 13/12< 10/9
Nên, ta có:
18/17; 17/16; 16/15; 15/14; 14/13; 13/12; 10/9.
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![](https://rs.olm.vn/images/avt/0.png?1311)
A,3/4;11/12;19/18;7/6
B,9/7;16/14;30/25;54/81
C,1/6;2/6;3/6;4/6;5/6
D,1/5;2/5;3/5;4/5;5/5;6/5;7/5;8/5;9/5
![](https://rs.olm.vn/images/avt/0.png?1311)
Tui có: \(\frac{14}{17}=1-\frac{3}{17}\); \(\frac{19}{22}=1-\frac{3}{22}\); \(\frac{1999}{2002}=1-\frac{3}{2002}\)
Vì \(\frac{3}{5}>\frac{3}{17}>\frac{3}{22}>\frac{3}{2002}\)nên \(\frac{3}{5}<1-\frac{3}{17}<1-\frac{3}{22}<1-\frac{3}{2002}\)
Do đó \(\frac{3}{5}<\frac{14}{17}<\frac{19}{22}<\frac{1999}{2002}\)
14/15, 15/16, 16/17 , 17/18 cách này mình tự nghĩ nên không có lời giải