Réponse:
1. 9n
2. 3t
3. 2hR
4. 3a+3b
5. 2a²b²
6. 7ab+3
7. 21ab
8. 10a+5b+7
9. 3a+1+28b
10. 28z+5+8p
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Réponse:
1. 9n
2. 3t
3. 2hR
4. 3a+3b
5. 2a²b²
6. 7ab+3
7. 21ab
8. 10a+5b+7
9. 3a+1+28b
10. 28z+5+8p