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This site has some nice math riddles and problems. It is for your recreation and might teach you something too. Select a riddle or problem below and test your math skills. Half, half, half. A cube and two balls. Three points in a circle. Or the code that opens all locks. Six points and a ratio.

This is your first post. Paper by Dr Vladica Andrejić, University of Belgrade, Faculty of Mathematics, Serbia. Keeping mathematics aside, in this Paper I try to present my standpoint and suggestions that can improve certain shortcomings. Nonetheless, all the details and calculations that hold up subsequent theoretical p.

С 31 марта по 9 апреля 2018 г. Фабиано Каруана стал победителем турнира претендентов 2018.