Correct answer: answer number 5 - 5

Daca 1 + 1 = 3 => 1 = 3/2 = 1.5
Daca 4 + 4 = 7 => 4 = 7/2 = 3.5

Deci 1 + 4 = 1.5 + 3.5 = 5

SAU

1 + 4 reprezinta jumatatea lui (1 + 1) + (4 + 4)
Deci 1 + 4 = ((1 + 1) + (4 + 4)) / 2 = (3 + 7) / 2 = 5