if all u want is the answer go here:
http://groups.google.co.il/group/reference-technion/browse_thread/thread/b31898a8376e1fbb?hl=iw#

On 2 ינואר, 13:35, [email protected] wrote:
> שלום חברים,
> מישהו יודע איך פותרים את השאלה הראשונה בגליון שבע
> אשמח לקבל עזרה...
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לענות