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nu inteleg cum sa rezolv acest exercitiu ajutatima 14+90+57+23+500+5678+4539+56478=?

Răspuns :


faci adunarea:14+90+57+23+500+5678+4539+56478=67379
Se face asa: 14+90+57+23+500+5678+4539+56478=104+57+23+500+5678+4539+56478=161+23+500+5678+4539+56478=184+500+5678+4539+56478=684+5678+4539+56478=6362+4539+56478=10.901+56.478=67.379.