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BOURGUIG
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User offline. Last seen 3 semaines 3 jours ago. Offline
Joined: 05/29/2009

نعتبر المجموعتين التاليتين :



بين أن :

tamoussit
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User offline. Last seen 38 semaines 11 heures ago. Offline
Joined: 06/27/2010
بالتكافؤ

x app A equi 1/(3x+2) app Z equi 1+1/(3x+2)=(3x+3)/3x+2) app Z equi x app B

d'où A=B

app= appartient à equi= équivalent à

"I do belive that problems are the heart of Mathematics"
P.R. Halmos