calculer le plus simplement possible: a) 7 x 15/5; b) 12 x 14/3; c) 6/5 x 25; d) 27 x 14/9; e) 8 x 16/4; f) 9/11 x 66.
Mathématiques
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Question
calculer le plus simplement possible: a) 7 x 15/5; b) 12 x 14/3; c) 6/5 x 25; d) 27 x 14/9; e) 8 x 16/4; f) 9/11 x 66.
1 Réponse
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1. Réponse maudmarine
a) 7 x 15/5 = 105/5 = 21
b) 12 x 14/3 = 168/3 = 56
c) 6/5 x 25 = 150/5 = 30
d) 27 x 14/9 = 378/9 = 42
e) 8 x 16/4 = 128/4 = 32
f) 9/11 x 66 = 594/11 = 54