Réponse:
45 = 3×3×5 / 84 = 2×2×3×7
Explications étape par étape:
45 ÷ 3 = 15
15 ÷ 3 = 5
5 ÷ 5 = 1
84 ÷ 2 = 42
42 ÷ 2 = 21
21 ÷ 3 = 7
7 ÷ 7 = 1
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Réponse:
45 = 3×3×5 / 84 = 2×2×3×7
Explications étape par étape:
45 ÷ 3 = 15
15 ÷ 3 = 5
5 ÷ 5 = 1
84 ÷ 2 = 42
42 ÷ 2 = 21
21 ÷ 3 = 7
7 ÷ 7 = 1