Réponse:
a) 1. b) 0
Explications étape par étape:
a) 1/2 - 1/6 = 3/6 - 1/6 = 2/6 = 1/3
1/9 + 5/9 = 6/9 = 2/3. 2/3 x 1/3 = 3/3 = 1
b) 3/1 - 1/4 = 12/4 - 1/4 = 11/4 x 8/25 = 22/25
22/25 - 5/1 = 125/25 - 22/25 = 0
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Réponse:
a) 1. b) 0
Explications étape par étape:
a) 1/2 - 1/6 = 3/6 - 1/6 = 2/6 = 1/3
1/9 + 5/9 = 6/9 = 2/3. 2/3 x 1/3 = 3/3 = 1
b) 3/1 - 1/4 = 12/4 - 1/4 = 11/4 x 8/25 = 22/25
22/25 - 5/1 = 125/25 - 22/25 = 0