Răspuns:
d) [520:10-7•(3+18:9)]•5+6•(15•12-15•10):15
=(520:10-7•5)•5+6•30:15
=110+180:15
=110+12
=122
e) 4•[27+11•(804-29•13)]-32•18
=4•(27+11•10.075)-32•18
=4•382.850-32•18
=1.531.400-576
=1.530.824
