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(edffectuez les opérations suivan \( \mathrm{A}=(-3+15)-3 \times(12+8-7) \) \( \mathrm{B}=5 \times[3 \times(-4)+(-7) \times(-2)] \) \( \mathrm{C}=9 \times(-3)-(-7) \times(-2) \times 6 \)

Ask by Dawson Haynes. in Haiti
Jan 23,2025

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**Résultats des calculs :** - **A.** \(-27\) - **B.** \(10\) - **C.** \(-111\)

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Beyond the Answer

Pour l'opération \( \mathrm{A} \), nous avons \( (-3+15)-3 \times(12+8-7) \). En calculant, cela donne \( 12 - 3 \times 13 = 12 - 39 = -27 \). Pour \( \mathrm{B} \), nous avons \( 5 \times[3 \times(-4)+(-7) \times(-2)] \). En simplifiant, cela donne \( 5 \times [-12 + 14] = 5 \times 2 = 10 \). Enfin, pour \( \mathrm{C} \), l'expression est \( 9 \times(-3)-(-7) \times(-2) \times 6 \). Cela donne \( -27 - 84 = -111 \). Les résultats sont donc : \( \mathrm{A} = -27 \) \( \mathrm{B} = 10 \) \( \mathrm{C} = -111 \)

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