Răspuns :
I=12562
II=26521-9587
II=16934
rezulta ca I+II=12562+16934=29496 elevi in primele 2 serii
III=56000-(I+II)=56000-29496
III=26.504 elevi in a treia serie
II=26521-9587
II=16934
rezulta ca I+II=12562+16934=29496 elevi in primele 2 serii
III=56000-(I+II)=56000-29496
III=26.504 elevi in a treia serie