Faire ex 37 ♡ Merci bcp ♡

bonsoir

a = 4/3 - ( 1/3 + 2/3)
a = 4/3 - 3/3 = 1/3

b = 18/7 - ( 11/7 - 5/7) = 18/7 - 6/7 = 12/7

c) 14/5 - 2/5 + 8/5 = 14/5 + 6/5 = 20/5 = 4

d) 23/8 - 18/8 = 5/8