Mihai:
Lungimea 1: 4.2 m
Lungimea 2: 4.1 m
Lungimea 3: 3.9 m
Media:
[tex] \frac{4.2 + 4.1 + 3.9}{3} = \frac{12.2}{3} = 4.06 \: (m)[/tex]
Andreea:
Lungimea 1: 3.8 m
Lungimea 2: 3.7 m
Lungimea 3: 3.85 m
Media:
[tex] \frac{3.8 + 3.7 + 3.85}{3} = \frac{11.35}{3} = 3.78 \: (m)[/tex]
Robert:
Lungimea 1: 4 m
Lungimea 2: 4.1 m
Lungimea 3: 4.15 m
Media:
[tex] \frac{4 + 4.1 + 4.15}{3} = \frac{12.25}{3} = 4.08 \: (m)[/tex]