November 2022 0 37 Report
bonjour
on considère ABC un parallelogram
1/construire les points E ,F et C tel que :AE(vecteur)=AB(vctr)+AC(vctr)
BF(vctr)=AB(vctr)+AC(vctr)
CG(vctr)=AB(vctr)+AB(vctr)

2/monter que: BC(vctr)=FG(vctr)

3/montrer que E est le milieu de [CF]

merci.​​
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