13-(12-4×(-1)+(-7)×(5-7.5)= calcule par etapes..svp

By: USER4988
28 Agustus 2025 mathematiques 5 minutes
4.5
51 views 51 comments 13 shares

Question

Grade: Education Subject: mathematiques
13-(12-4×(-1)+(-7)×(5-7.5)= calcule par etapes..svp
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51 Viewed 51 Answers

Answer (51)

Best Answer
(66)
=13-(12+4+(-7)*(-2,5)
=13-(16+17,5)
=13-33,5
=-20,5
Answered on 28 Agustus 2025
(151)
13-(12-4×(-1)+(-7)×(5-7.5)
= 13 - (12 + 4) - 7 x (- 2,5)
= 13 - 16 + 17,5
= 13 + 17,5 - 16
= 30,5 - 16
= 14,5
Answered on 28 Agustus 2025

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