Bonjour pourriez vous maider svp l’ex 34 c’est pour demain

F = 11/6 - (-3/4 - 5/6)
= 11/6 - (-4,5/6 - 5/6)
= 11/6 - (-9,5/6)
= 11/6 + 9,5/6
= 20,5/6

G = (4/21 - 3/7) - (3/10 - 8/5)
= (4/21 - 9/21) - (3/10 - 16/10)
= -5/21 - (-13/10)
= -5/21 + 27,3/21
= 32,3/21