I would like to inform all the mates in this forum that I am not well in arabic language ,I can read slowly ,always I ask my colleagues in the school to translate the Questions, so please can you provide us the Questions in both languages as the last question (4) proposed by La245 .
And just to clarify , I solve the question without reading the previous solutions solved by the others , and I dont care for Points ... I just like to participate with the community and be a member in this forum.
thx to every body in this forum ... and I welcome all the suggestions and also , big thx to my flat mate for the translation, I am so weak in arabic .. LOL

yours, Ali
Doha , Qatar