Question

2+5·(2·3)³
440-[30+6(19-12)
2{4[7+4(5·3-9)] -3(40-8)}
7·3+[6+2·(2³:4+3·2)-7·√4]+9:3

Answer 1

2+5·(2·3)³
2+5.(216)
2+1080
=1082

440-[30+6(19-12)
440-[30+6(7)]
440-[72]
440-72
=368

2{4[7+4(5·3-9)] -3(40-8)}
2{4[7+4(6)]-3(32)}
2{4[31]-96}
2{28}
=56

Hasta aquí se yo, Espero te sirva.