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Sagot :

VINS

bonsoir

A = 2 ² x 5 ⁴ x 17 / 2 ⁵ x 5 ³ x 11

=  2 x 2 x 5 x 5 x 5 x 5 x 17

    2 x 2 x 2 x 2 x 2  x 5 x 5 x 5 x 11

=  85/ 88

B = 2 x 2 x 2 x 3 x 3 x 11 x 11

    2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 5

=  121 / 60

Réponse :

bonsoir

2²×5⁴×17/2⁵ 5³ 11=

2²⁻⁵× 5⁴⁻³ ×17/11=

2⁻³ ×5¹ ×17/11=

0.125×5×17=10.625 ou85/8 et

85/8÷11=85/8×1/11=85/88

2³×3²×11²/2⁵×3³×5=

2³⁻⁵ ×3²⁻³ ×11²/5=

2⁻²×3⁻¹×121/5=

0.25×1/3×121/5=

121/12÷5

et 121/12×1/5=121/60

Explications étape par étape :

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