Răspuns :
a.]9909
b.] 3
c.]10ori99 =990
d.]4212
e.][₍27:3+1₎ori5+50]:10-4
[₍9+1₎ori5 +50]:10-4
₍10 ori 5 +50₎:10-4
₍50+50₎:10-4
100:10-4
10-4
6
b.] 3
c.]10ori99 =990
d.]4212
e.][₍27:3+1₎ori5+50]:10-4
[₍9+1₎ori5 +50]:10-4
₍10 ori 5 +50₎:10-4
₍50+50₎:10-4
100:10-4
10-4
6