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Calculeaza ,respectand ordinea operatiilor . [(20x8-20 :5+5x4)-4x10]:2 .

Răspuns :

[(160-4+20)-40]:2=[176-40]:2=136:2=68
sper ca te-am ajutat
[(160-4+20)-4x10]:2=
(176-4x10):2=
(176-40):2=
136:2=68