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calculeaza 693+300:10-[76+(393-309)] şi [(6:6+4):5+9]*222. PS. * ESTE ORI.

Răspuns :

693+300:10-[76+(393-309)]=
693+30-(76+84)=
723-160=563

[(6:6+4):5+9]*222=
[(1+4):5+9]*222=
(5:5+9)*222=
(1+9)*222=
10*222=2220
=693+300:10-[76+84]=
=693+300:10-160=
=693+30-160=
563

=[(1+4):5+9]×222=
=[5:5+9]×222=
=[1+9]×222=
=10×222=
=2220