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19+81:[(624:6-322:7:2)+3x[148-73x2)]=

Răspuns :

7 sper ca team ajutat
19+81:[(624:6-322:7:2)+3x(148-73×2)] = 19+ 81:[(104-46:2)+3x(148-146)] = 19 + 81:[(104-23)+3×2]=19 + 81:(81+6)