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3*{477:9+2-[10+5*(306:17-228:18)]}-79=

Răspuns :

3(53+2-[10+5(18-38/3]-79 =
3(53+2-10-90+190/3]-79 =
3(45+190/3]-79 =
[135+570/3]-79 =
[135+190]-79 =
325-79 = 246