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  • loy
  • Ambitieux
2014-02-23T14:10:17+01:00
Exercice 3
A= 3/7 × 7/5 =21/35=3/5
B= -3/7 × 14/5 = -42/35 = -6/5
C= (-10) ×4/5 = -40/5 = -8
D= -3/4 ×1/6 = -3/-24 =1/8