Question

Va rog sa ma ajutati Nr 1 si 2
Dau coroana!!!

Answer 1

Răspuns:

1. D

2.

$\frac{1}{2} + 2 \times \frac{1}{2} + \frac{1}{2} \\ \times 3 - 1 = \frac{1}{2} + \frac{3}{2} = \frac{4}{2} = 2$