Magic With Math

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“Mathematics may be defined as the subject in which we never know what we are talking about, nor whether what we are saying is true.”
- Bertrand Russell

Mathematics is really a very interesting subject. Many fears from it, but whenever you get the logic behind it, you simply love it. Mathematics is one of my favorite subjects.

I have found some very interesting patterns, which are very interesting and not less than any magic. I would like to share it with all of you –

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

1 * 9 + 2 = 11
12 * 9 + 3 = 111
123 * 9 + 4 = 1111
1234 * 9 + 5 = 11111
12345 * 9 + 6 = 111111
123456 * 9 + 7 = 1111111
1234567 * 9 + 8 = 11111111
12345678 * 9 + 9 = 111111111
123456789 * 9 + 10 = 1111111111

9 * 9 + 7 = 88
98 * 9 + 6 = 888
987 * 9 + 5 = 8888
9876 * 9 + 4 = 88888
98765 * 9 + 3 = 888888
987654 * 9 + 2 = 8888888
9876543 * 9 + 1 = 88888888
98765432 * 9 + 0 = 888888888

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

There are many other patterns like these. These are some simple patterns. I hope you liked it.




Comments

Shravan Gupta said…
Dear Surendra,

You have brought up with interesting things.Keep sharing interesting things.
Regards
Shravan Gupta
December 19, 2010 at 6:13 AM
Kailash Patel said…
Hey Bro,
Its great.....really nice....keep writing..!!!!!!!
Kailash Patel
November 19, 2011 at 7:20 AM
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