Réponse :
EX4
Calcule les expressions suivantes :
A = 7/-4 ÷ 4/-5 = (7 x (- 5))/((-4) x 4) = - 35/- 16 = 35/16
B = 8 ÷ 7/- 2 = 8 x (- 2)/7 = - 16/7
C = 7.5/- 3 ÷ (- 15)/3 = (7.5 x 3)/((- 3) x (-15)) = 7.5/(2 x 7.5) = 1/2
D = 7.5/- 3 ÷ (- 5) = 7.5/((-3) x (-5)) = 7.5/15 = 1/2
Explications étape par étape
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Réponse :
EX4
Calcule les expressions suivantes :
A = 7/-4 ÷ 4/-5 = (7 x (- 5))/((-4) x 4) = - 35/- 16 = 35/16
B = 8 ÷ 7/- 2 = 8 x (- 2)/7 = - 16/7
C = 7.5/- 3 ÷ (- 15)/3 = (7.5 x 3)/((- 3) x (-15)) = 7.5/(2 x 7.5) = 1/2
D = 7.5/- 3 ÷ (- 5) = 7.5/((-3) x (-5)) = 7.5/15 = 1/2
Explications étape par étape