Răspuns:
19000-[34•(19•100-6•300)]=
19000-[34•(1900-6•300)]=
19000-[34•(1900-1800)]=
19000-(34•100)=
19000-3400=
=15600
100009+[504•(185:5-600:30)]=
100009+[504•(37-600:30)]=
100009+[504•(37-20)]=
100009+(594•17)=
100009+10098=
=89911
10•100:4+[(640•102-72027:3)]:3=
10•100:4+[(65280-72027:3)]:3=
10•100:4+[(65280-24009)]:3=
10•100:4+41271:3=
1000:4+41271:3=
250+41271:3=
250+13757=
14007
[2035:5-(1•9•100:6)]•257=
[2035:5-(9•100:6)]•357=
[2035:5-(900:6)]•357=
(2035:5-150)•357=
(407-150)•357=
257•357=
=91749
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