Bjr je n'arrive pas à finir mon exercice
[tex] \frac{4}{5} = \frac{....}{4} = \frac{16}{.... } [/tex]
[tex] \frac{2}{7} = \frac{20}{....} = \frac{....}{70} [/tex]
[tex] \frac{1}{4} = \frac{....}{444} = \frac{17}{....} [/tex]
[tex] \frac{2}{13} = \frac{50}{....} = \frac{....}{169} [/tex]
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