Răspuns :
[(1161:43+7439:43)•2]:10+25•73=
=[(27+173)•2]:10+1825
=(170•2):10+1825
=340:10+1825
=34+1825
=1859
=[(27+173)•2]:10+1825
=(170•2):10+1825
=340:10+1825
=34+1825
=1859
[(1161:43+7439:43)×2]:10+25×73=
=> [(27+173)×2]:10+25×73
=> (300×2):10+25×73
=> 600:10+25×73
=> 60+25×73
=> 60+ 1825
=> 1885