Bonsoir,
7/2 -7/3 22/7 -3/4
a)
-7/3< -3/4 < 7/2 < 22/7
b)
7/3 3/4 -7/2 -22/7
-22/7< -7/2 < 3/4 < 7/3
c)
-3/7 -4/3 2/7 7/22
-4/3 < -3/7 < 2/7 < 7/22
d)
3/7 4/3 -2/7 -7/22
-7/22 < -2/7 < 3/7 < 4/3