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scrie 1577 ca suma de 2 termeni consecutivi

Răspuns :

1577-1=1576

1576:2=788 (primul numar)

788+1=789 (al doilea numar)


v:788+789=1576


[tex]a + b = 1577[/tex]
[tex]a =1 + b[/tex]
[tex]1 + b + b = 1577[/tex]
[tex]2b + 1 = 1577[/tex]
[tex]2b = 1577 - 1[/tex]
[tex]2b = 1576[/tex]
[tex]b = 1576 \div 2[/tex]
[tex]b = 788[/tex]
[tex]a = 1 + 788[/tex]
[tex]a = 789[/tex]