Question

50-{15+[4²:(10-2)+5×2]}

Answer 1

50-{15+[4²:(10-2)+5.2]}
50-{15+[16:(8)+10]}
50-{15+[2+10]}
50-{15+12}
50-27
23

Answer 2

Bom dia

50 - {15 + [4²/(10 - 2) + 5*2]}
50 - (15 + (16/8 + 10))
50 - (15 + 2 + 10) = 50 - 27 = 23