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Wiwi597
@Wiwi597
April 2019
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HELP, je n'ai rien compris, surtout avec les tableurs, le dm est à rendre vendredi :o
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jujulilie
Je pense que mes réponses sont justes
Exercice 1:
A=(-2+5+2)x(-3)
= +6-15-6
= +6 -21
= -15
B= (5-5x (-3))x(6-2)
=30+90-30-10-30
=120-70
30
C=(-5x7+3)x(-6+9)
= +210-18+27
=+237-18
=219
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Exercice 1:
A=(-2+5+2)x(-3)
= +6-15-6
= +6 -21
= -15
B= (5-5x (-3))x(6-2)
=30+90-30-10-30
=120-70
30
C=(-5x7+3)x(-6+9)
= +210-18+27
=+237-18
=219