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[(263x61+57):100+239]:20+90

Răspuns :

[(263x61+57):100+239]:20+90=
[(16043+57):100+239]:20+90=
[16100:100+239]:20+90=
[161+239]:20+90=
400:20+90=
20+90=110

[(16043+57):100+239]:20+90=[16100:100+239]:20+90=(161+239):20+90=400:20+90=20+90=110