Question

1. Tìm x, biết

x : 5/9 = 3/72

Answer 1

\(\dfrac{15}{8}\)

Answer 2

x : 5/9 = 3/72

      x : 5/9 = 1/24

      x = 1/24 x 5/9

      x = 5 / 216

Answer 3

\(x:\dfrac{5}{9}=\dfrac{3}{72}\)

\(x=\dfrac{3}{72}\cdot\dfrac{5}{9}\)

\(x=\dfrac{5}{216}\)

Answer 4

x : 5/9 = 3/72

       x = 3/72 x 5/9

       x = 5/216

Answer 5

18/5

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