Question

1, Rút gọn :

a) \(\dfrac{2.4}{6.18}\) ; b) \(\dfrac{3.5.7}{6.9.14}\) ; c) \(\dfrac{4.7-4.5}{64}\)

Answer 1

a, \(\dfrac{2.4}{6.18}\)=\(\dfrac{2}{27}\)

b,\(\dfrac{3.5.7}{6.9.14}\)=\(\dfrac{105}{756}\)=\(\dfrac{35}{232}\)

c,\(\dfrac{4.7-4.5}{64}\)=\(\dfrac{28-20}{64}\)=\(\dfrac{8}{64}\)=\(\dfrac{1}{8}\)

nhớ like nhé

Answer 2

\(\dfrac{2.4}{6.18}=\dfrac{8}{108}=\dfrac{2}{27}\)

\(\dfrac{3.5.7}{6.9.14}=\dfrac{105}{756}=\dfrac{35}{252}\)

\(\dfrac{4.7-4.5}{64}=\dfrac{4.\left(7-5\right)}{64}=\dfrac{4.2}{64}=\dfrac{8}{64}=\dfrac{1}{8}\)

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