Question

am nevoie URGENT!! DAU COROANĂ​

Answer 1

h) $\frac{2+4+...+50}{13}=\frac{n(n+1)}{13} =\frac{50(50+1)}{13} =\frac{2501}{13}$

i)$\frac{3+6+...+48}{8} =\frac{3\times n}{8} =\frac{3\times48}{8} =3\times6=18$