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Exercise 1 — Exercise source:
![](icons/latex.png)
![](icons/image.png)
Note: this exercise exists in different languages: French, English, German, Finnish.
![](Exos/S7P3/2021_Annals0/2021_S7P3_Annals0_EN_ExoA1.jpg)
![](icons/line.png)
![](icons/latex.png)
Note: this exercise exists in different languages: French, English, German, Finnish.
![](Exos/S7P3/2021_Annals0/2021_S7P3_Annals0_EN_ExoA2.jpg)
![](icons/line.png)
![](icons/latex.png)
Note: this exercise exists in different languages: French, English, German, Finnish.
![](Exos/S7P3/2021_Annals0/2021_S7P3_Annals0_EN_ExoA3.jpg)
![](icons/line.png)
![](icons/latex.png)
Note: this exercise exists in different languages: French, English, German, Finnish.
![](Exos/S7P3/2021_Annals0/2021_S7P3_Annals0_EN_ExoA4.jpg)
![](icons/line.png)
![](icons/latex.png)
![](icons/image.png)
Note: this exercise exists in different languages: French, English, German, Finnish.
![](Exos/S7P3/2021_Annals0/2021_S7P3_Annals0_EN_ExoA5.jpg)
![](icons/line.png)
![](icons/latex.png)
Note: this exercise exists in different languages: French, English, German, Finnish.
![](Exos/S7P3/2021_Annals0/2021_S7P3_Annals0_EN_ExoA6.jpg)
![](icons/line.png)
![](icons/latex.png)
Note: this exercise exists in different languages: French, English, German, Finnish.
![](Exos/S7P3/2021_Annals0/2021_S7P3_Annals0_EN_ExoA7.jpg)
![](icons/line.png)
![](icons/latex.png)
Note: this exercise exists in different languages: French, English, German, Finnish.
![](Exos/S7P3/2021_Annals0/2021_S7P3_Annals0_EN_ExoA8.jpg)
![](icons/line.png)
![](icons/latex.png)
Note: this exercise exists in different languages: French, English, German, Finnish.
![](Exos/S7P3/2021_Annals0/2021_S7P3_Annals0_EN_ExoA9.jpg)
![](icons/line.png)
![](icons/latex.png)
Note: this exercise exists in different languages: French, English, German, Finnish.
![](Exos/S7P3/2021_Annals0/2021_S7P3_Annals0_EN_ExoA10.jpg)
![](icons/line.png)
Download as pdf.