SOLUTION: 9*10*19+10*11*21+11*12*23+...49*50*99 Find the sum

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Question 1029339: 9*10*19+10*11*21+11*12*23+...49*50*99
Find the sum

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!


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So then putting it all together,



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