Răspuns :
[tex]1678 \times 3 = 5034[/tex]
[tex]a + a = 2 \times a[/tex]
[tex]2 \times a = 5034[/tex]
[tex]a = 5034 \div 2[/tex]
[tex]a = 2517[/tex]
[tex]1678 \times 3 = 5034[/tex]
[tex]a + a = 2 \times a[/tex]
[tex]2 \times a = 5034[/tex]
[tex]a = 5034 \div 2[/tex]
[tex]a = 2517[/tex]