Question

Va rog frumos repede!!!!!Ajutati-ma!!!!!!​

Answer 1

a)

$\frac{9 \times 1 + 5 \times 3 + 6 \times 2}{1 + 3 + 2} = \frac{36}{6} = 6$

b)

$\frac{0.25 \times 3 + 4.5 \times 2 + 0.05 \times 5}{3 + 2 + 5} = \frac{0.75 + 9 + 0.25}{10} = \frac{10}{10} = 1$

coroana?