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Ex4: Calculer chaque expression algébrique
(4points)
M= (+6) + (+7) - (+4) + (-5)
N= (-19) - (+18) - (-7) + (+11)
0 = -23 + 17-5-12-17 + 14
P= 25 - 12 -3 + 11 - 7
Pouvez vous m’aider svp

Sagot :

Bonjour,

M= (+6) + (+7) - (+4) + (-5)

6+7-4-5 = 4

N= (-19) - (+18) - (-7) + (+11)

-19 -18 +7 +11 = -19

0 = -23 + 17-5-12-17 + 14

-17 +14 -23 -5 -12 -17 = -26

P= 25 - 12 -3 + 11 - 7

25+11 -12 -3 -7 = 14