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수악중독

HMMT 2015 Algebra #6 본문

HMMT/2015

HMMT 2015 Algebra #6

수악중독 2015. 3. 15. 15:16

Let a,  b,  c,  d,  ea, \; b,\; c, \; d, \; e be nonnegative integers such that 625a+250b+100c+40d+16c=153625a+250b+100c+40d+16c=15^3. What is the maximum possible value of a+b+c+d+ea+b+c+d+e?