Réponse:
a. 84/108 = 7/9
810/240 = 27/8
b. 135/180 = 3/4
22 500/1 800 = 25/2
c. 210/315 = 2/3
15x2/18x35 = 1/21
d. 24x54/72x30 = 3/5
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Réponse:
a. 84/108 = 7/9
810/240 = 27/8
b. 135/180 = 3/4
22 500/1 800 = 25/2
c. 210/315 = 2/3
15x2/18x35 = 1/21
d. 24x54/72x30 = 3/5