cât este40+40-10:5+5+5:55:6-77


Răspuns :

40+40-10:5+5+5:55:6-77=
=80-2+5+ 0,0(90):6-77=
=78+5+0,0 (15)-77=
=83+[-76,98 (48)]=
=6,0 (15)