Bonjour
a) 60/80 = 3*20/4*20 = 3/4
b) 63/14 = 9*7/2*7 = 9/2
c) 36/12 = 6*6/6*2 = 6/2 = 3
d) 13/65 = 13*1/13*5 = 1/5
e) 48/42 = 6*8/6*7 = 8/7
f) 40/24 = 8*5/8*3 = 5/3
g) 28/24 = 4*7/4*6 = 7/6
h) 66/11 = 11*6/11*1 = 6/1 = 6
J’espère que cela va t’aider !
