Răspuns :
5550-[100+100x(100-8x9)-2x19x10]x2=
=5550-[100+100x(100-72)-380]x2=
=5550-[100+100x28-380]x2=
=5550-(100+2800-380)x2=
=5550-(2900-380)x2=
=5550-2520x2=
=5550-5040=
=510
=5550-[100+100x(100-72)-380]x2=
=5550-[100+100x28-380]x2=
=5550-(100+2800-380)x2=
=5550-(2900-380)x2=
=5550-2520x2=
=5550-5040=
=510