Răspuns:
(7x6:ax8)+9x6-27=83
(7x6:ax8)+54-27=83
(7x6:ax8)+54=83+27=110
(7x6:ax8)=110-54=56
7x6:ax8=56
7x6:a=56:8=7
7x6:a=7
6:a=7:7=1
6:a=1
a=6:1=6
a=6
Sper că te-am ajutat!
