85-(5+40) (60+30)-50

Question

85-(5+40) (60+30)-50

Answer 1

85-(5+40)=40. 1)5+40=45. 2)85-45=40; (60+30)-50=40. 1)60+30=90. 2)90-50=40.

Answer 2

40,40в первом и во втором