👤

-12-[-7-(-10+3)-12]-4=

Răspuns :

-12-[-7-(-10+3)-12]-4=
-12-[-7-(-7)-12]-4=
-12-[-7+7-12]-4=
-12-[0-12]-4=
-12+12-4=
=-4
[tex]-12-[-7-(-10+3)-12]-4= \\ =-12-[-7-(-7)-12]-4= \\ =-12-(0-12)-4= \\ =-12-(-12)-4= \\ =0-4= \\ =-4[/tex]