Réponse :
Bonsoir,
0.5 = 1/2
0.6 = 3/5
2.7 = 27/10
3.6 = 18/5
1.25 = 5/4
0.007 = 7/1 000
Note : / signifie après le dénominateur
Bonsoir,
0,5/1 => 0,5*10/1*10 => 5/10 => 1/2
0,6/1 => 0,6*10/1*10 => 6/10 => 3/5
2.7/1 => 2.7*10/1*10 => 27/10
3.6/1 => 36/10 => 18/5
1.25/1 => 1.25*100/1*100 => 125/100 => 25/20 => 5/4
0.007/1 => 0.007/1000 => 7/1000