Post� le 17/01/2007 � 15:47

bonjour veuillez m'aidez SVP sur cet exercice le voici

une cellule vue au microscope a une taille apparente egale a 4cm sachant que l'echelle est la suivante 15um(micrometre).
1) quelle est la taille reelle de la cellule ?
2) donner son grossissement G?

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Post� le 28/07/2018 � 11:00

2018728 leilei3915
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