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Sagot :

Réponse:

[tex]a) \frac{4}{3} \times \frac{3}{5} = \frac{4}{5} [/tex][tex] b)\frac{1}{4} \times \frac{ - 5}{ - 3} = \frac{5}{12} [/tex]

[tex]c) \frac{1}{4} \times - 36 = - 9[/tex]

[tex]d) \frac{3}{ - 5} \times \frac{ - 4}{ - 7} = \frac{ - 12}{35} [/tex]

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