HELINLOVE
Answered

A= 103×2-3×[81-7×(18-5×3)]+12 SVP on peut m'aider ses du niveau 5iem​

Sagot :

BATIMANE05

Bonjour

A= 103×2-3×[81-7×(18-5×3)]+12

= 206 - 3×[81-7×(18-5×3)]+12

= 206 - 3×[81 - 7×(18-15)] + 12

= 206 - 3×[81 - 7×-3] + 12

= 206 - 3×[81 - 21] + 12

= 206 - 3× 60 + 12

= 206 - 180 + 12

= 38

Solution : A = 38