Question

alguem poderia me ajudar a reponder essa expressão?
180:{10+2x[20-45:(13-2x5)]}  

Answer 1

180:{10+2x[20-45:(13-2x5)]} 
180:{10+2x[20-45:3]}
180:{10+2x5}
180:20=9

Answer 2

180:{10+2x[20-45:(13-2x5)]}
180:{10+2x[20-45:3]}
180:12x[10+2x5}
180:20=
9