3 kg 1/2 din trunchi + 3 kg
[______]l-----------------l------------------l-------------------l[______]
coada [____________________] [__________________]
trunchi cap
l-----------------l------------------l → trunchiul
l-----------------l[__________]
2 × 3 kg
2 × 3 kg = 6 kg → jumatate din trunchi
3 kg + 2 × 6 kg + ( 6 kg + 3 kg ) = 3 kg + 12 kg + 9 kg = 24 kg
↓ ↓ ↓
coada trunchi cap
Raspuns: 24 kg cantareste pestele
