![](https://rs.olm.vn/images/avt/0.png?1311)
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
`4/15 < 4/13`
`7/6 > 8/9`
`14/11 > 14/19`
`5/6 >3/4`
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\frac{5}{6}+\frac{3}{4}< \frac{19}{11}\)
\(\frac{17}{12}-\frac{9}{8}< \frac{1}{3}\)
\(\frac{4}{9}\times\frac{6}{5}=\frac{8}{15}\)
\(\frac{15}{4}:\frac{3}{8}>8\)
![](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: 5/6+1/2=5/6+3/6=8/6=4/3
b: 7/8+1/4=7/8+2/8=9/8
c: 5/9+3/7=35/63+27/63=62/63
\(a,\dfrac{5}{6}+\dfrac{1}{2}=\dfrac{4}{3}\\ b,\dfrac{7}{8}+\dfrac{1}{4}=\dfrac{9}{8}\\ c,\dfrac{5}{9}+\dfrac{3}{7}=\dfrac{62}{63}\)
![](https://rs.olm.vn/images/avt/0.png?1311)
5/6+3/4 < 19/11 4/9 x 6/5 = 8/15
17/12-9/8 < 1/3 15/4:3/8 > 8
Ta có: \(\frac{5}{6}+\frac{3}{4}=\frac{10}{12}+\frac{9}{12}=\frac{19}{12}\)
Vì \(12>11\)
\(\Rightarrow\frac{19}{12}< \frac{19}{11}\)
\(\Rightarrow\frac{5}{6}+\frac{3}{4}< \frac{19}{11}\)
Ta có: \(\frac{17}{12}-\frac{9}{8}=\frac{34}{24}-\frac{27}{24}=\frac{7}{24}\)
Ta lại có: \(\frac{1}{3}=\frac{8}{24}\)
Vì \(8>7\)
\(\Rightarrow\frac{7}{24}< \frac{8}{24}\)
\(\Rightarrow\frac{17}{12}-\frac{9}{8}< \frac{1}{3}\)
Ta có: \(\frac{4}{9}\times\frac{6}{5}=\frac{24}{45}=\frac{8}{15}\)
Vì \(\frac{8}{15}=\frac{8}{15}\)
\(\Rightarrow\frac{4}{9}\times\frac{6}{5}=\frac{8}{15}\)
Ta có: \(\frac{15}{4}:\frac{3}{8}=\frac{15}{4}\times\frac{8}{3}=10\)
Vì \(10>8\)
\(\Rightarrow\frac{15}{4}:\frac{3}{8}>8\)
HOK TOT
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\frac{3}{4}>\frac{6}{9}\)
Học tốt
@Mia
3/4=6/9