Bonjour;
a)
22/5 *2/2 = 44/10
9/2 *5/5 = 45/10
22/5 < 9/2
b)
-9/7 *2/2 = -18/14
-13/2 *7/7 = -91/14
-13/2 < -9/7
c)
-8/5 *3/3 = -24/15
-11/3* 5/5 = -55/15
-8/5 > -11/3
