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27432+4532-(34×4+246-139:7)+21344=??

Răspuns :

27432+4532-(136+246-19.85)+21344=
27432+4532-(382-19.85)+21344=
27432+4532-362.15+21344=
31964-362.15+21344=
31601.85+21344= 52945.85
27432+4532-(34×4+246-139:7)+21344=
=
27432+4532-(136+246-19.85)+21344
=27432+4532-362.15+21344
=52945.85