Question

simplify 270+(180-(16-(50*4-12)))

Answer 1

270+180-(16-(200-12)
270+180-(16-188)

270+180+172
= 622

Answer 2

270+[180-{16-(50×4-12)}]
=270+[180-{16-(200-12)}]
=270+[180-{16-188}]
=270+[180+172]
=270+352
=622