سال چهارم قمیسی که در مورد تابع درس میداد داشت انواع و اقسام تابع ها را توضیح میداد و میگفت تابع فرد اینست، تابع زوج اینست، تابع هم فرد و هم زوج تابع ایست که هم فرد باشه و هم زوج، تابع نه فرد و نه زوج تابع ایست که نه فرد باشه و نه زوج. با این حرفش همه بچه ها خندیدند و گفتند خوب اینکه معلوم بود، دیگه توضیح دادن نمی خواست. اون هم جواب داد: نه همیشه که اینطوری نیست که هر چیزی توضیحش مثل اسمش باشه. مثلا اگر یکی اسمش حسین قلی پریم باشه که نباید از حسین قلی مشتق بگیریم تا بفهمیم اسمش چیه
It had taken a couple of weeks of negotiation but Joe finally got the deal he wanted and drove out of the dealership in his brand new Explorer. His girlfriend knew his real motivation for buying a utility vehicle was because he loved to go four-wheeling on Saturdays with his friends and felt a little conspicuous when he was always doing the "riding" and never the driving. Joe arrived and ran into her house as excited as a nine-year-old boy with his first bicycle. Mary was working at her computer as Joe came up behind her, gave her a big kiss on the cheek and said, "C'mon, c'mon, let's go! Let's go for a ride." They jumped into the Explorer and headed out of town. After a few minutes, Joe pulled over to the side of the road and invited Mary to drive. She got behind the wheel and found that she really enjoyed the sensation of sitting up so high with a great view of everything ahead of her. Joe instructed, "Hang a left here" and as Mary follow...
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