1268-[(412×8-1236:6)-a]×4=444

Răspuns :

[tex]1268-[(412*8-1236:6)-a]*4=444\\\\ 1268-[(3296-206)-a]=111\\\\ 1268-(3090-a)=111\\\\ 3090-a=1268+111\\\\ 3090-a=1279\\\\ a=3090-1279\\\\ \bold{a=1811}\\\\ [/tex]
1268-[(412×8-1236:6)-a]×4=444
=1268-[(3296-206)-a]=444:4
=1268-[(3296-206)-a]=111
=1268-(3090-a)=111
=3090-a=1268+111
=3090-a=1279
a=3090-1279
a=1811