Exercice 19: Repasser en rouge les parenthèses/crochets qui << encadrent » les calculs prioritaires. Effectuer
ensuite les calculs.
A=(-15)-[(+17)+(-13)1--19
B=(-16-2)-(+8)=
C=7+(3-5)
G=12-6-(3-4+5-7)-(2-4-3)+7
D=(5-13) (4 +24)
E= 3+ (-5+2)
F=25-[(-3) (+12)]
H-2-[4-(3-5+6)-8]-[4-(2-7-1)]

Svp
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