Répondre :
Explications étape par étape:
A = 5 × 25 - 5 = (5×25) - 5 = 125 - 5 = 120
B = (3×10) + (2×15) -5 = 30 + 30 - 5 = 60 - 5 = 55
C = 2 + 3 × (25 ÷ 5) = 2 + (3 × 5) = 2 + 15 = 17
Explications étape par étape:
A = 5 × 25 - 5 = (5×25) - 5 = 125 - 5 = 120
B = (3×10) + (2×15) -5 = 30 + 30 - 5 = 60 - 5 = 55
C = 2 + 3 × (25 ÷ 5) = 2 + (3 × 5) = 2 + 15 = 17