Réponse :
Bonjour
a) 2² × 3 × 15 = 2² × 3 × 3 × 5 = 2² × 3² × 5
b) 3 × 5 × 33 = 3 × 5 × 3 × 11 = 3² × 5 × 11
c) 7 × 3² × 8 × 21 = 7 × 3² × 2³ × 3 × 7 = 2³ × 3³ × 7²
d) 12 × 25 × 5 = 2² × 3 × 5² × 5 = 2² × 3 × 5³
e) 15 × 5² × 31 = 3 × 5 × 5² × 31 = 3 × 5³ × 31
2²×3×15=
2²×3²×5=180
3×5×33=
3²×5×11=495
7×3²×8×21=
2³×3³×7²=10 584
12×25×5=
2²×3×5³=1500
15×5²×31=
3×5³×31=11 625
Explications étape par étape :
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Verified answer
Réponse :
Bonjour
a) 2² × 3 × 15 = 2² × 3 × 3 × 5 = 2² × 3² × 5
b) 3 × 5 × 33 = 3 × 5 × 3 × 11 = 3² × 5 × 11
c) 7 × 3² × 8 × 21 = 7 × 3² × 2³ × 3 × 7 = 2³ × 3³ × 7²
d) 12 × 25 × 5 = 2² × 3 × 5² × 5 = 2² × 3 × 5³
e) 15 × 5² × 31 = 3 × 5 × 5² × 31 = 3 × 5³ × 31
Réponse :
Bonjour
2²×3×15=
2²×3²×5=180
3×5×33=
3²×5×11=495
7×3²×8×21=
2³×3³×7²=10 584
12×25×5=
2²×3×5³=1500
15×5²×31=
3×5³×31=11 625
Explications étape par étape :