Răspuns:
370×[30+17×3-(13×5+15)]-19×18=
=370×[30 +51-(65+15)]-342
=370×(81-80)-342
=370×1-342
=370-342
28
Explicație pas cu pas:
370×[30+17×3-(65+15)]-19×18=
370×(30+17×3-80)-19×18=
370×(30+51-80)-19×18=
370×(81-80)-19×18=
370×1-19×18=
370-342=
