The Student Room Group

ocr d1 january 2011 and june 2010

For January 2011 paper, I'm stuck at question 1 (iii),
For June 2010 papaer, I'm stuck at question 3(iv)
I still don't get them after looking through the mark scheme:frown: can anyone please explain?
Reply 1
For the first one cant you just do the chinese postman algorithm (Im not sure but I might as well put it out there)

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