Question

180:{10+2×[20-45:(13_2×5)]}

Answer 1

Suponho q aquilo:_ , seja um menos
180:{10+2x[20-45:(13-2x5)]}
180:{10+2x[20-45:(3)]}
180:{10+2x[-15:(3)]}
180:{10+2x[-5]}
180:{10+[-10]}
180:0=0