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Sagot :

Réponse:

[tex] \frac{18}{49} \times \frac{21}{24} = \frac{18 \times 21}{49 \times 24} = \frac{3 \times 21}{49 \times 4} = \frac{3 \times 3}{7 \times 4} = \frac{9}{28} [/tex]

MITCHALEXANDRINE2314

18/49 × 21/24

=18×21 / 49×24

=378 / 1 176

=378÷42/1 176 ÷42

=9/28

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