Répondre :
2-1/3
=6/3-1/3
=5/3
10/3-3
=10/3-9/3
=1/3
25/21-3/14
=50/42-9/42
=41/42
-4/15+1/12
=-16/60+5/60
=-11/60
1/45-(-5/36)
=4/180+25/180
=29/180
=6/3-1/3
=5/3
10/3-3
=10/3-9/3
=1/3
25/21-3/14
=50/42-9/42
=41/42
-4/15+1/12
=-16/60+5/60
=-11/60
1/45-(-5/36)
=4/180+25/180
=29/180