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La Commutativité de l’Addition avec Quatre Termes (A)

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La Commutativité de l’Addition (A)

Nom: Date:

Appliquez la commutativité pour effectuer les chaı̂nes d’opérations suivantes.

1) 22 + 19 + 17 + 16 = 19 + +22 + 17 2) 21 + 17 + 2 + 9 = 2 + 9 + 21 + 3) 20 + 1 + 19 + 13 = 13 + 20 + +19 4) 3 + 10 + 23 + 25 = 25 + +23 + 10 5) 4 + 18 + 13 + 23 = 18 + + +23 6) 12 + 1 + 23 + 21 = 23 + + +21 7) 13 + 10 + 15 + 17 = + +10 + 13 8) 21 + 5 + 20 + 8 = +8 + +20 9) 1 + 9 + 4 + 7 = + + + 10) 23 + 25 + 12 + 10 = + + + MathsLibres.com

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La Commutativité de l’Addition (A) Réponses

Nom: Date:

Appliquez la commutativité pour effectuer les chaı̂nes d’opérations suivantes.

1) 22 + 19 + 17 + 16 = 19 + 16 +22 + 17

2) 21 + 17 + 2 + 9 = 2 + 9 + 21 + 17

3) 20 + 1 + 19 + 13 = 13 + 20 + 1 +19

4) 3 + 10 + 23 + 25 = 25 + 3 +23 + 10

5) 4 + 18 + 13 + 23 = 18 + 4 + 13 +23 (+ 1 autre réponse possible)

6) 12 + 1 + 23 + 21 = 23 + 12 + 1 +21 (+ 1 autre réponse possible)

7) 13 + 10 + 15 + 17 = 15 + 17 +10 + 13 (+ 1 autre réponse possible)

8) 21 + 5 + 20 + 8 = 5 +8 + 21 +20 (+ 1 autre réponse possible)

9) 1 + 9 + 4 + 7 = 4 + 9 + 1 + 7 (+ 22 autres réponses possibles)

10) 23 + 25 + 12 + 10 = 25 + 12 + 23 + 10 (+ 22 autres réponses possibles)

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