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اطلاعات در مورد همه چی - شگفتی ریاضی
 
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مدیر وبلاگ : saeed jadidy
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اطلاعات در مورد همه چی




از شگفتی های دنیای ریاضیات این است که وقتی عدد ۱۱۱۱۱۱۱۱۱ را در خودش ضرب کنی، جواب می شود :    

۱۲۳۴۵۶۷۸۹۸۷۶۵۴۳۲۱

به ادامه ی مطلب توجه کنید...

 

1x 9 + 2 = 11

12x 9 + 3 = 111

123x 9 + 4 = 1111

1234x 9 + 5 = 11111

12345x 9 + 6 = 111111

123456x 9 + 7 = 1111111

1234567x 9 + 8 = 11111111

12345678x 9 + 9 = 111111111

123456789x 9 +10= 1111111111

 

 

 

 

 

9x 9 + 7 = 88

98x 9 + 6 = 888

987x 9 + 5 = 8888

9876x 9 + 4 = 88888

98765x 9 + 3 = 888888

987654x 9 + 2 = 8888888

9876543x 9 + 1 = 88888888

98765432x 9 + 0 = 888888888

تهیه وتنظیم    سعید جدیدی





نوع مطلب :
برچسب ها : ریاضی، شگفتی ریاضی،
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یکشنبه 2 بهمن 1390 :: نویسنده : saeed jadidy
نظرات ()
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