calculez chaque expression : R=3x(-5)+7 S=7x(-5+3) T=7x(-5)x3
Mathématiques
babeil17
Question
calculez chaque expression :
R=3x(-5)+7 S=7x(-5+3) T=7x(-5)x3
R=3x(-5)+7 S=7x(-5+3) T=7x(-5)x3
2 Réponse
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1. Réponse x22
Bonjour,
R=3x(-5)+7
=-(3x5)+7
=-15+7
=-8
S=7x(-5+3)
=7x(-2)
=-(7x2)
=-14
T=7x(-5)x3
=-(7x5x3)
=-(35x3)
=-105 -
2. Réponse Anonyme
R = (-15) + 7
= (-8)
S = 7 x (-2)
= (-14)
T = (-35) x 3
= (-105)