Bonsoir,
9
a)
48/10 = 24/5
b)
12/24 +2/24 = 14/24 = 7/12
c)
18/15 + 2/15 = 20/15 =4/3
d)
invisible
12
3/39 + 1/39 =4/39
3/39 - 1/39 = 2/39
3/51 -1/51 = 2/51
e)
9/15 + 9/15 = 18/15 = 6/3 = 2
f)