245. ABC, easy as 123 Add Comment Algebra ★★ The letters A,B,C,D,E,F each represent a digit from 1 to 9. Given ABCDEF×6=DEFABC and ABC+DEF=999, determine ABCDEF. (from Twitter) from Five Triangles http://ift.tt/1JAG1xc SHARE SHARE SHARE Unknown RELATED POSTS
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