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500-2 x [300-(24 x 17-513:9) x 2]-104

Răspuns :

500-2×[300-(24×17-513÷9)×2]-104=
=500-2×[300-(408-57)×2]-104
=500-2×(300-351×2)-104
=500-2×(300-702)-104
=500-2×(-402)-104
=500+804-104
=1304-104
=1200