Réponse :
a. 15/8 x 1/5 = 15/40 = (3*5)/(8*5) = 3/8
b. 9/17 x 34/5 = 306/85
c. 2/7 * 9/8 = 18/63 = (3*6)/(3*21) = 6/21
d = 8 * 7/64 = 56/64 = (8*7)/(8*8) = 7/8
Explications étape par étape
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Réponse :
a. 15/8 x 1/5 = 15/40 = (3*5)/(8*5) = 3/8
b. 9/17 x 34/5 = 306/85
c. 2/7 * 9/8 = 18/63 = (3*6)/(3*21) = 6/21
d = 8 * 7/64 = 56/64 = (8*7)/(8*8) = 7/8
Explications étape par étape