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\(=\dfrac{3}{5}\\ =\dfrac{7}{9}\\ =\dfrac{4}{3}\\ =\dfrac{9}{7}\)
\(\dfrac{6}{10}=\dfrac{3}{5};\dfrac{70}{90}=\dfrac{7}{9};\dfrac{96}{72}=\dfrac{8}{9};\dfrac{45}{35}=\dfrac{9}{7}\)
\(\dfrac{6}{10}=\dfrac{3}{5};\dfrac{70}{90}=\dfrac{7}{9};\)\(\dfrac{96}{72}=\dfrac{4}{3}\)\(\dfrac{45}{35}=\dfrac{9}{7}\)
\(\dfrac{6}{10}=\dfrac{3}{5};\dfrac{70}{90}=\dfrac{7}{9};\dfrac{96}{72}=\dfrac{4}{3};\dfrac{45}{35}=\dfrac{9}{7}\)
`6/10=3/5`
`70/9=70/9`
`96/72=4/3`
`45/35=9/7`
`24/36=2/3`
`25/100=1/4`
a: 90/126=5/7<6/7
b: 70/84=5/6
35/42=5/6
=>70/84=35/42
a)
\(\dfrac{6}{12}=\dfrac{6:6}{12:6}=\dfrac{1}{2}\)
\(\Rightarrow\dfrac{1}{2}=\dfrac{1\times2}{2\times2}=\dfrac{2}{4}\)
Mà \(\dfrac{2}{4}< \dfrac{3}{4}\)
Vậy \(\dfrac{6}{12}< \dfrac{3}{4}\).
b)
\(\dfrac{8}{10}=\dfrac{8:2}{10:2}=\dfrac{4}{5}\)
Mà \(\dfrac{2}{5}< \dfrac{4}{5}\)
Vậy \(\dfrac{2}{5}< \dfrac{8}{10}\).
c)
\(\dfrac{40}{35}=\dfrac{40:5}{35:5}=\dfrac{8}{7}\)
Mà \(\dfrac{8}{7}>\dfrac{6}{7}\)
Vậy \(\dfrac{40}{35}>\dfrac{6}{7}\).
d)
\(\dfrac{8}{16}=\dfrac{8:8}{16:8}=\dfrac{1}{2}\)
Mà \(\dfrac{1}{2}< \dfrac{5}{2}\)
Vậy \(\dfrac{8}{16}< \dfrac{5}{2}\).
\(\frac{35}{42}=\frac{5}{6}\)
\(\frac{54}{24}=\frac{9}{4}\)
\(\frac{18}{6}=\frac{3}{1}=3\)
5/6
9/4
3