Sagot :
A= x + 4 × (x - 8) = 13 + 4 × (13 - 8) = 17 × 5 = 85
B= x + 4 × (x - 8) = 11,2 + 4 × (11,2 - 8) = 15,2 × 3,2 = 48,64
B= x + 4 × (x - 8) = 11,2 + 4 × (11,2 - 8) = 15,2 × 3,2 = 48,64