Réponse:
Bonsoir
Explications étape par étape:
A = 5/6 + -1/3
= 5/6 - 3/6 = 2/6
A = 1/3
B = -8/3 ÷ 4/5
= -8/3 × 5/4 = -40/12
B = -10/3
• 204/595 = 204÷17/595÷17
• 13/2
• 468/504 = 468÷36/504÷36
• 13/14
• 204/595 + 468/504
• 12/35 + 13/14 = 24 + 65/70
• 89/70