Răspuns :
9x111=999 999x 1/3 =333 999-333=666 666x2/3=444 666-444=222 222:2=111 (kg care a vandut)
9x111=999recoltat
999x1/3=333insamantat
333x2/3=222ptr consum
222x1/2=111avandut
999x1/3=333insamantat
333x2/3=222ptr consum
222x1/2=111avandut