wa5a walakin makaynch chi wa7d darha w9bloh wa5a physique ma3ndouch lma3adal w3ala makan3rf had cho3ba fiha aw 5asa blmath y3ni radi ychoufo na9ta dial had lmada .????? 3afak ila 3ndk bach tfidni.ana bara nd5l lchi école dial les ingénieurs .hada howa amali ..plz plz 5ay benmeriem.merci .