serie 1 + solution :
https://drive.google.com/file/d/0Bw_GkS ... sp=sharing
https://drive.google.com/file/d/0Bw_GkS ... sp=sharing
serie 2 + solution :
https://drive.google.com/file/d/0Bw_GkS ... sp=sharing
https://drive.google.com/file/d/0Bw_GkS ... sp=sharing
serie 3 + solution :
https://drive.google.com/file/d/0Bw_GkS ... sp=sharing
https://drive.google.com/file/d/0Bw_GkS ... sp=sharing