Activité 3 – Somme de deux nombres entiers (applications)

d) Calcul rapidement.

– 9 – 13 =
– 22
12 – 13 =
– 1
– 10 + 8 =
– 2
9 + 13 =
22
– 20 – 10 =
– 30
– 8 + 10 =
2
9 – 13 =
– 4
– 45 + 33 =
– 12
– 8 – 10 =
– 18
– 13 – 9 =
– 22
– 47 – 23 =
– 70
– 10 – 8 =
– 18
– 13 + 9 =
– 4
– 19 + 23 =
4
8 – 10 =
– 2