matthew123 Posted August 14, 2018 Report Share Posted August 14, 2018 Preferably how to work it out and not just answers Quote Link to comment Share on other sites More sharing options...
1 EventHorizon Posted August 20, 2018 Report Share Posted August 20, 2018 Spoiler Add the odd digits... so the solutions are all '7.' 1 Quote Link to comment Share on other sites More sharing options...
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matthew123
Preferably how to work it out and not just answers
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