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a)5/24<5+10/24=15/24=5/8
=>5/24<10/24<5/8
b)2/3>4/9>6+9/6*9=15/54=5/18
=>2/3>4/9>6+9/6*9
\(a.\frac{5}{24}<\frac{5+10}{24}=\frac{15}{24}=\frac{5}{8}\)
\(b.\frac{2}{3}>\frac{4}{9}>\frac{6+9}{6.9}=\frac{15}{54}=\frac{5}{18}\)
a: \(\dfrac{5}{24}< \dfrac{15}{24}=\dfrac{5}{8}\)
b: \(\dfrac{6+9}{6\cdot9}=\dfrac{15}{54}\)
4/9=24/54
2/3=36/54
Do đó: \(\dfrac{15}{54}< \dfrac{24}{54}< \dfrac{36}{54}\)
a, Ta có : \(\frac{5+10}{24}=\frac{15}{24}\)
\(\frac{5}{8}=\frac{5.3}{8.3}=\frac{15}{24}\)
\(\Rightarrow\frac{5}{24}< \frac{5+10}{24}=\frac{5}{8}\)
b,Ta có : \(\frac{4}{9}=\frac{4.6}{9.6}=\frac{24}{54}\)
\(\frac{6+9}{6.9}=\frac{15}{54}\)
\(\frac{2}{3}=\frac{2.18}{3.18}=\frac{36}{54}\)
\(\Rightarrow\frac{15}{54}< \frac{24}{54}< \frac{36}{54}\)
\(\Rightarrow\frac{6+9}{6.9}< \frac{4}{9}< \frac{2}{3}\)
a) \(\frac{5+10}{24}=\frac{15}{24}\); \(\frac{5}{8}=\frac{5.3}{8.3}=\frac{15}{24}\)
\(\Rightarrow\frac{5}{24}< \frac{15}{24};\frac{5+10}{24}=\frac{5}{8}\)
b) \(\frac{6+9}{6.9}=\frac{15}{54}\); \(\frac{4}{9}=\frac{24}{54};\frac{2}{3}=\frac{36}{54}\)
\(\Rightarrow\frac{15}{54}< \frac{24}{54}< \frac{36}{54}\)\(\Rightarrow\frac{6+9}{6.9}< \frac{4}{9}< \frac{2}{3}\)
a) ta có \(\frac{5}{24};\frac{15}{24};\frac{5}{8}\)
=>\(\frac{5}{24}< \frac{15}{24}< \frac{20}{24}\)quy đồng lên
b)\(\frac{4}{9};\frac{6+9}{6\cdot9};\frac{2}{3}\)
=>\(\frac{4}{9};\frac{15}{54};\frac{2}{3}\)
=>\(\frac{24}{54};\frac{15}{54};\frac{36}{54}\)
=>\(\frac{15}{54}< \frac{24}{54}< \frac{36}{54}\)
\(a,\frac{2}{3}>\frac{1}{4}\)
\(b,\frac{7}{10}< \frac{7}{8}\)
\(c,\frac{6}{7}>\frac{3}{5}\)
\(d,\frac{14}{21}< \frac{60}{72}\)
\(e,\frac{16}{9}< \frac{24}{13}\)
\(g,\frac{27}{82}< \frac{26}{75}\)
a 2/3 > 1/4
b 7/10 < 7/8
c6/7 > 3/5
d14/21 < 60/72
e16/9 < 24/13
g27/82<26/75
a)Quy đồng: \(\frac{5}{8}=\frac{5.3}{8.3}=\frac{15}{24}\)
Vì \(\frac{5}{24}< \frac{10+5}{24}=\frac{15}{24}\)
\(\Rightarrow\frac{5}{24}< \frac{5+10}{24}=\frac{5}{8}\)
b) Quy đồng:
\(\frac{4}{9}=\frac{4.6}{9.6}=\frac{24}{9.6}\)
\(\frac{2}{3}=\frac{2.18}{3.18}=\frac{36}{9.6}\)
Vì \(\frac{36}{9.6}>\frac{24}{9.6}>\frac{6+9}{9.6}\)
\(\Rightarrow\frac{2}{3}>\frac{4}{9}>\frac{6+9}{6.9}\)
a)5/24<5+10/24>5/8 và 5/24<5/8
b)4/9<6+9/6.9>2/3 và 4/9<2/3
Tính chi giết giúp mình nhé