Răspuns :
I: -------------------
II: ------------------- +2
III: ------------------- +2 + 2
IV: ------------------- +2 + 2 + 2
I: -------------------
IV: ------------------- +2 + 2 + 2 total: 66
66 - 6 = 60
60 : 2 = 30 (un segment)
I: 30
II: 32
III: 34
IV: 36
I + II + III = 30 + 32 + 34 = 96
I + IV = II + III
30 + 36 = 32 + 34
66 = 66
II: ------------------- +2
III: ------------------- +2 + 2
IV: ------------------- +2 + 2 + 2
I: -------------------
IV: ------------------- +2 + 2 + 2 total: 66
66 - 6 = 60
60 : 2 = 30 (un segment)
I: 30
II: 32
III: 34
IV: 36
I + II + III = 30 + 32 + 34 = 96
I + IV = II + III
30 + 36 = 32 + 34
66 = 66