Sagot :
Réponse:
B = 2× 7 + 6 × 2 = 14 + 12 = 26
C = 3 × 7 - 4 × 2 = 21 - 8 = 13
B = 2 × 2,5 + 6 × 1,5 = 5 + 9 = 14
C = 3 × 2,5 - 4 × 1,5 = 7,5 - 6 = 1,5
Bonjour,
si x = 7 et y = 2
B = 2(7) + 6(2) = 26
C = 3(7) - 4(2) = 13
si x = 2,5 et y = 1,5
B = 2(2,5) + 6(1,5) = 14
C = 3(2,5) - 4(1,5) = 1,5