Răspuns :
[(a×3)×4]×6=13392:2
[(a×3)×4]×6=6696
(a×3)×4=6696:6
(a×3)×4=1116
a×3=1116:4
a×3=279
a=279:3
a=93
[(a×3)×4]×6=6696
(a×3)×4=6696:6
(a×3)×4=1116
a×3=1116:4
a×3=279
a=279:3
a=93