Exercice 25 le a et le b svp. Merci
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bonjour
A = 7/6 : 3/8
A = 7/6 x 8/3
A = 56/18
A = 28/9
B = 4/21 : 14/9
B = 4/21 x 9 /14
B = 36/294
B = 6 / 49
Bonjour
A = 7/6 : 3/8
A = 7/3 x 8/3
A = 56/9
B = 4/21 : 14/9
B = 4/21 x 9/14
B = 36/294
B = (6 x 6) / (6 x 49)
B = 6/49.