Răspuns :
=18+168-2x[8+4x(90-35)]:4
=18+168-2x(8+4x55):4
=18+168-2x(8+220):4
=18+168-2x228:4
=18+168-456:4
=18+168-114
=186-114
=72
=18+168-2x(8+4x55):4
=18+168-2x(8+220):4
=18+168-2x228:4
=18+168-456:4
=18+168-114
=186-114
=72
18+3*56-2*[8+4*(90-175:5)]:4=
18+168-2*[8+4*(90-35)] :4=
186-2*[8+4*55]:4=
186-2*[8+220]:4=
186-2*228:4=
186-456:4=
186-114=72