Bonsoir
a)
6/5 * 2/3 = 12/15 = 4/5
(6/5) / (2/3) =
6/5 *3/2 = 18/10 = 9/5
[1/ (6/5) ] * [1/(2/3)]=
5/6 * 3/2 = 15/6 = 5/2
b)
7/9 * 7/9 = 49/81 = 7/9
(7/9) /(7/9)=
(7*9)* (9/7) =63/63 = 1
[1/(7/9)] *[1/(7/9)]=
9/7 * 9/7 = 81/63 = 9/7
