Répondre :
4/-5
=-4/5
-8/-7
=8/7
5,2/-7
=-5.2/7
=-52/70
=-26/35
7/-2,1
=-70/21
8,2/0,12
=820/12
=410/6
=205/3
-1/-3,54
=1/3.54
=100/354
=50/177
=-4/5
-8/-7
=8/7
5,2/-7
=-5.2/7
=-52/70
=-26/35
7/-2,1
=-70/21
8,2/0,12
=820/12
=410/6
=205/3
-1/-3,54
=1/3.54
=100/354
=50/177