solve the expression PEMDAS



1. 16+ 20+ (30-20) + 3 (10-8) ³ + ¹0 (4+2) + 5 ² − 10 (12+5) + 50 (2) ² 19




2. 17-2(6+2)²+8+(2)⁴+9/3-6(12+22)



3.100/50+(16-3)+10³-20(3)²+16-4³​