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Mathematics, 16.02.2021 15:30 jaelynnm

La un concurs, se acorda 10 puncte pentru o problema rezolvată corect si se scad 2 puncte pentru o problema rezolvată greşit. Teodor a trimis la concurs 20 de probleme și a primit 176
de puncte. Cate probleme a rezolvat corect si cate a rezolvat greşit?

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