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A, B, C, and D are positive digits such that ABCD + BCD + CD + D + 377 = 2012. Find A + B + C + D

 Oct 10, 2021
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Maybe you mean the answer is 2011 or plus 378

 

I am stuck at that A, B, C, D might be

 

A = 1

B = 3

C = 1

D = 1,

 

1311 + 311 + 11 + 1 = 1634, 1634 + 377 = 2011 (2012 for 378)

 

A + B + C + D = 1 + 3 + 1 + 1 = 1 + 2 + 2 + 1 = (1 * 2) + (2 * 2) = 6 xD

 Oct 12, 2021

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