Calculer et simplifier s'il vous plaît aidez moi à cet exercice.... Pergunta de ideia dewijdanelfahdi

wijdanelfahdi @wijdanelfahdi

June 2022 1 49 Report

Calculer et simplifier s'il vous plaît aidez moi à cet exercice

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Teamce

Bonsoir,

.

$( { \frac{9}{ - 5} })^{ - 1} = - \frac{ 5}{9}$

$\frac{4}{5} + 1 = \frac{4}{5} + \frac{5}{5} = \frac{9}{5}$

.

$d = - \frac{5}{9} \times \frac{9}{5} = \frac{ - 5 \times 9}{9 \times 5} = \frac{ - 45}{45} = - 1$

.

Bonne soirée.

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