Daily Archives: January 3, 2019

DAY/DYDD 3:

The Main Challenge Using 2, 5 and 6 just once each, with + – × ÷ available, which are the only THREE target numbers from 20-30 inclusive that are mathematically possible to achieve? The 7puzzle Challenge The playing board of the 7puzzle game is a 7-by-7 grid … Continue reading

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