Bonsoir,
A= 11/4* 8/11= 88/44 = 2
B= -25/9 * -3/5 = 75/45 = 15/9 = 5/3
C= 15/33* -11/5 = -1705/165= -31/3
D= -16/81* -9/28 = 144/ 2 268 = 8/126 = 4/63
E= -2* 8/11 = -16/11
F= 13/4* -1/6 = -13/24
