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Number Pyramids

March 20, 2011

Number Pyramids

Here are some interesting number pyramids.

1  
  987654321   123456789
87654321   12345678
7654321   1234567
+        654321   +        123456
54321   12345
4321   1234
321   123
21   12
1   1
1083676269 = 1083676269
2  
  1-1 = 9×0
11-2 = 9×1
111-3 = 9×12
1111-4 = 9×123
11111-5 = 9×1234
111111-6 = 9×12345
1111111-7 = 9×123456
11111111-8 = 9×1234567
111111111-9 = 9×12345678
3  
  987654321×9-1 = 8888888888
98765432×9+0 = 888888888
9876543×9+1 = 88888888
987654×9+2 = 8888888
98765×9+3 = 888888
9876×9+4 = 88888
987×9+5 = 8888
98×9+6 = 888
9×9+7 = 88
0x9+8 = 8



— Collected By:- Arpan Shukla
VIII-C

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