31-August-2023 Thursday
Easy arithmetic progression in the OGE, one-step solution (I add: you can get 1 point on the exam for this)
31-August-2023 Thursday
Sinister people around, good people that is?
31-August-2023 Thursday
One of the easy tasks from the OGE, for which you can get 1 point
30-August-2023 Wednesday
Resurrection or...
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