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nirajpublicschool · NiraJ PuBlic SkoOl '05-'06
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Sat Jun 18, 2005 10:52 am

ramyaraja2
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Sat Jun 18, 2005 9:54 am

drmraja@...
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Really interesting:

  0 x 9 + 0 = 0
  1 x 9 + 1 = 10
  12 x 9 + 2 = 110
  123 x 9 + 3 = 1110
  1234 x 9 + 4 = 11110
  12345 x 9 + 5 = 111110
  123456 x 9 + 6 = 1111110
  1234567 x 9 + 7 = 11111110
  12345678 x 9 + 8 = 111111110
  123456789 x 9 + 9 = 1111111110

  1 x 1 = 1
  11 x 11 = 121
  111 x 111 = 12321
  1111 x 1111 = 1234321
  11111 x 11111 = 123454321
  111111 x 111111 = 12345654321
  1111111 x 1111111 = 1234567654321
  11111111 x 11111111 = 123456787654321
  111111111 x 111111111 = 12345678987654321

  Another Magic of Math

  1 x 8 + 1 = 9
  12 x 8 + 2 = 98
  123 x 8 + 3 = 987
  1234 x 8 + 4 = 9876
  12345 x 8 + 5 = 98765
  123456 x 8 + 6 = 987654
  1234567 x 8 + 7 = 9876543
  12345678 x 8 + 8 = 98765432
  123456789 x 8 + 9 = 987654321

  Then... Check this out...

  1 x 18 + 1 = 19
  12 x 18 + 2 = 218
  123 x 18 + 3 = 2217
  1234 x 18 + 4 = 22216
  12345 x 18 + 5 = 222215
  123456 x 18 + 6 = 2222214
  1234567 x 18 + 7 = 22222213
  12345678 x 18 + 8 = 222222212
  123456789 x 18 + 9 = 2222222211




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Fri May 20, 2005 1:36 pm

skguha@...
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Message #181 of 2950 |
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Ramya Raja
ramyaraja2
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Jun 18, 2005
10:52 am
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