Spune (A/F) efectuând operatia urmatoare:[100:(10:5+56:7)+90]:100

Răspuns :

(100:(2+8)+90):100=
(100:10+90):100=
(10+90):100=
100:100=1
[100:(10:5+56:7)+90]:100
= [100:(2+56:7)+90]:100
=[100:(2+8)+90]:100
=[100:10+90]:100
=[10+90]:100
=100:100
=1