Tranche 1-10 :
http://figuresdestyle.ped-ecublens.ch/exercices/PRES_PC_1-10.htm

Tranche 11-20 :
http://figuresdestyle.ped-ecublens.ch/exercices/PRES_PC_11-20.htm

Tranche 21-30 :
http://figuresdestyle.ped-ecublens.ch/exercices/PRES_PC_21-30.htm

Tranche 31-41 :
http://figuresdestyle.ped-ecublens.ch/exercices/PRES_PC_31-41.htm