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MGSM / Kylie et Robert aiment aller ramasser des coquillages à la plage. Lundi, Kylie…

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Kylie et Robert aiment aller ramasser des coquillages à la plage. Lundi, Kylie ramasse 5 coquillages de plus que Robert qui lui, en ramasse 20. Mardi, Kylie ramasse 2 fois plus de coquillages qu'elle en a ramassé lundi. Combien de coquillages Kylie a-t-elle ramassés mardi ?

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