Réponse :
Explications étape par étape :
a. (-6)+(-2)
=-6+2
=-4
b.(-3)-(-4)
=-3+4
= +1
c.(+2)+(-5)
=2-5
=-3
d.(-10)x(+1) x(-2)x(-5)
=-10 x-2x-5
=-100
e. (-2)+(-4)+(+6)+(-1)+(+7)
=-2-4-1+6+7
=-7+13
= +6
f.[2-(5-3x(2-4)] / (2-15/5)
=[2-(5-3x-2) / (2-3)
=(2-(5+6) /-1
=(2-11) / -1
=-9/-1
= 9
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Réponse :
bonjour!
Explications étape par étape :
a. (-6)+(-2)
=-6+2
=-4
b.(-3)-(-4)
=-3+4
= +1
c.(+2)+(-5)
=2-5
=-3
d.(-10)x(+1) x(-2)x(-5)
=-10 x-2x-5
=-100
e. (-2)+(-4)+(+6)+(-1)+(+7)
=-2-4-1+6+7
=-7+13
= +6
f.[2-(5-3x(2-4)] / (2-15/5)
=[2-(5-3x-2) / (2-3)
=(2-(5+6) /-1
=(2-11) / -1
=-9/-1
= 9