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-2*[3-(6)^2 :(-9)]-2*[5-(-7)]=?

Răspuns :

-2[3-(6)²:(-9)]-2[5-(-7)]=
-2[3-36:(-9)]-2(12)=
-2(3+4)-24=
-2(7)-24=-14-24=-38
succes

=-2•[3+36:(-9)]-2•[5-(-7)]
=-2•(3-4)-2•2•12
=-2•(-1)-24
=+2-24
=-22

Sper ca nu am gresit!Spor la scris!