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x-11 ---> 2ga liczba
x ---> 3cia liczba
x-14+x-11+x=200
3x=200+25
3x=225 I:3
x=75
sprawdzenie
75-14=61 ---> 1sza
75-11=64 ---> 2ga
75 ---> 3cia
61+64+75=200 (?)
L=P