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Sagot :

Réponse:

[tex] \frac{60}{80} = \frac{6 \times 10}{8 \times 10} = \frac{6}{8} = \frac{3 \times 2}{4 \times 2} = \frac{3}{4} [/tex]

pour le 5 :

[tex] \frac{175}{100} \: \: \: \frac{28}{16} \: \: \: 1.75[/tex]

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