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[(x:8+569):2-111):20=40

Răspuns :

[(x:8+569):2-111]=40×20
[(x:8+569):2-111]=800
(x:8+569):2=800+111
(x:8+569):2=911
x:8+569=911×2
x:8+569=1822
x:8=1822-569
x:8=1253
x=1253×8
x=10024