Bonjour
a. 12/ - 4 = (4 x - 3) / (4 x 1) = - 3
b. - 45/15 = (15 x - 3) / (15 x 1) = - 3
c. - 16/-4 = (4 x 4) / (4 x 1) = 4
d. 0/- 4 = 0
e. - 36/- 9 = (9 x 4) / (9 x 1) = 4
f. - 6/3 = (3 x - 2) / (3 x 1) = - 2
g. - 8/- 4 = (4 x 2) / (4 x 1) = 2
h.- 66/- 11 = (11 x 6) / (11 x 1) = 6.