Bonsoir,
a) 2/3 de 15 :
• 2/3 × 15 = (15 × 2)/3 = 30/3 = 10
b) 3/4 de 80 :
• 3/4 × 80 = (3 × 80)/4 = 240/4 = 60
c) 65% de 220g :
• 220 × 65/100 = 143g
d) 30% de 80 :
• 80 × 30/100 = 24
e) 50% de 288 !
• 288 × 50/100 = 144
Bonne soirée !
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Bonsoir,
a) 2/3 de 15 :
• 2/3 × 15 = (15 × 2)/3 = 30/3 = 10
b) 3/4 de 80 :
• 3/4 × 80 = (3 × 80)/4 = 240/4 = 60
c) 65% de 220g :
• 220 × 65/100 = 143g
d) 30% de 80 :
• 80 × 30/100 = 24
e) 50% de 288 !
• 288 × 50/100 = 144
Bonne soirée !