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Sara2501
@Sara2501
January 2021
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bsr
calculer chaque expression en detaillant les calculs
a) -7*2+24/(-4)-(6-9)
b) (25-42)*(9-15/(-3))
bsr aidez moi je n y arrive pas
merci d avance
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maudmarine
Verified answer
Bonsoir,
a) -7*2+24/(-4)-(6-9)
= - 14 + 24 / - 4 - (- 3)
= - 14 + 24 / - 4 + 3
= 10/- 1
= - 10
b) (25-42)*(9-15/(-3))
= - 17 x (- 6/- 3)
= - 17 x 2
= - 34
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Verified answer
Bonsoir,a) -7*2+24/(-4)-(6-9)
= - 14 + 24 / - 4 - (- 3)
= - 14 + 24 / - 4 + 3
= 10/- 1
= - 10
b) (25-42)*(9-15/(-3))
= - 17 x (- 6/- 3)
= - 17 x 2
= - 34