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98+4x[3x4+2x(7x8-9x4:6):10]-186

Răspuns :

98+4×[3×4+2×(7×8-9×4:6):10]-186=98+4×[3×4+2×(56-36:6):10]-186=98+4×[3×4+2×(56-6)-186=98+4×(3×4+2×50)-186=98+4×(12+100)-186=98+4×112=98+448= 546 sper ca te am ajutat :D