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Sagot :

Réponse:

  • A:

= 186592/104247 ×184041/72128 = 119× 1568/81×1287 × 143×1287/46× 1568

= 119/81 × 143/46

= 17017/3726

  • B:

=17/64288 + 57/2583

=17/64288 + 19×3/861×3

=17/64288 + 19/861

= 17×3/64288×3 + 19×224/861×224

=51+4256/192864

=4307/192864

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