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efectuati {5+[11x4-(36:6+9x3)]:11}:(7x4-11x2)

Răspuns :

{5+[11x4-(36:6+9x3)]:11}:(7x4-11x2) ={5+[44-(6+27)]:11}:(28-22) =
=
{5+[44-33]:11}:6=(5+11:11) : 6= 6:6=1
{5+[11x4-(36:6+9x3)]:11}:(7x4-11x2)
{5+[11x4-(6+27)]:11}:(7x4-11x2)
[5+(44-33):11]:(28-22)
(5+11:11):6
(5+1):6
6:6=1