Ihn zu beweisen, ist in der Trigonometrie bislang wenigen gelungen, zwei Teilnehmerinnen eines Schulwettbewerbs in den USA dann gleich mehrfach. Jahrelang war die Suche vergebens, nun gelang einem ...
In India, many kids who work in retail markets have good math skills. They can quickly perform a range of calculations to complete transactions. But as a new study shows, these kids often perform ...
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