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linlintay






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help with maths investigation
posted on: 3/25/2008 3:52:09 PM

hi i need to solve this maths investigation...

the first five triangular numbers are 1,3,6,10,15

there final digits (units) are 1,3,6,0,5

investigate the pattern of FINAL digits of triangular numbers

any help will be appreciated

 



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