ordine operatiilor
(31×3+74×5-32×9) -[200÷10+(1000-693)]


Răspuns :

(31×3+74×5-32×9)-[200÷10+(1000-693)]=
(93+370-288)-(20+307)=
(463-288)-327=
175-327=
-152
Cred ca ceva este gresit in exercitiu.