Răspuns:
Explicație pas cu pas:
|___| elefant
|___| |___| |___| |___| |___| |___| |___| |___| |___| |___| brachiozaur
11 segmente...55 tone
un segment 5 tone
deci brachio..10 segmente, 50 tone
|___| |___| |___| |___| |___| |___| |___| |___| |___| |___||___| elefant+brachio=55
un segment=55:11=5t
fie x, mas unui elefant
atunci a unui brachio baubau./..10x
impreuna au x+10x=11x
11x=55
x=55:11=5t
brachio bau bau 10*5=50 tone