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1. The problem is not fully specified, but since it is labeled "Exercice 2," I will need the exact question or expression to solve. 2. Please provide the full details or mathematic

1. The problem is not fully specified, but since you mentioned "exercice 2," please provide the full details or statement of exercise 2 so I can help solve it. 2. Without the probl

1. The problem is not fully stated, but since it is "Exercice 7," we need the exact question to solve it. 2. Please provide the full problem statement or the mathematical expressio

1. The problem statement is not fully provided; please specify the exact question or mathematical problem for Exercise 1. 2. Without more details, I can't solve or provide steps.

1. The problem asks to solve or analyze what is referenced as "2.2.6". Since no explicit problem statement was given, I assume it refers to a particular algebra or math exercise no