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HANS4
Answered

Décomposer en facteurs premier le numérateur et le dénominateur pour rendre irréductibles 280÷ 448​

Sagot :

NEMLINELISHEVA

Réponse:

280= 2×140 =

2×2×70 =

2×2×2×35 =

2×2×2×5×7

DONC :

2×2×2×5×7

OU

2³×5×7

448= 2×224 =

2×2×112 =

2×2×2×56 =

2×2×2×2×28 =

2×2×2×2×2×2×14 =

2×2×2×2×2×2×7 =

DONC :

2×2×2×2×2×2×7

OU

2⁶×7

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