Bonjour,
1)
-2
-2-5 = -7
-7 -9
= -16
2)
8
8-5 = 3
3-9
= -6
3)
à l'envers
4+9 = 13
13 + 5 = 18
4)
x -5
x-5 -9
x-14
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Bonjour,
1)
-2
-2-5 = -7
-7 -9
= -16
2)
8
8-5 = 3
3-9
= -6
3)
à l'envers
4+9 = 13
13 + 5 = 18
4)
x -5
x-5 -9
x-14
Si je les vois passer.