December 2020 0 83 Report
BONJOUR DE L'AIDE SVP ?? merci d'avance QUESTION 19

S = (+ 5) + (- 9) - (+3)
On a également :
A:S = -5
C:S= - 17
B:S=-1
D:S=-7.


QUESTION 20

T = (+ 2) - (- 10) + (-3)*(-4)
On a également :
A:T = – 12
C:T = 4
B:T= 12
D:T=- 52
Merci​
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