Răspuns :
[tex] \frac{a + b + c + ... + x}{2} = 47.58[/tex]
[tex]a + b + c + ... + x = 47.58 \times 2 \\ a + b + c + ... + x = 95.16[/tex]
[tex] \frac{a + b + c + ... + x}{2} = 47.58[/tex]
[tex]a + b + c + ... + x = 47.58 \times 2 \\ a + b + c + ... + x = 95.16[/tex]