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Calculati :
[(-5) + 7 + (-3)]· ( 9 -11 + 4 )


Răspuns :

[tex][(-5) + 7 + (-3)] \cdot ( 9 -11 + 4 )=\\\\=(7-8)\cdot(13-11)\\\\=(-1)\cdot2\\\\=\boxed{\boxed{-2}}\longleftarrow Raspuns[/tex]
1. (-5)+7+(-3)=-1
2. 9-11+4=2
3. (-1)x2=-2