Question

3-{-5 - [+8 - 2 + ( -5 +9)]}=
quanto dá ??

-17 + { +5 -[ +2 -( - 6 +9 ) ]} =​

Answer 1

Resposta:

3-{-5-[8-2+(-5+9)]}=

3-{-5-[6+4]}=

3-{-5-[10]}=

3-{-5-10}=

3-{-15}=

3+15=18

-17+{+5-[2-(-6+9)]}=

-17+{+5-[2-(3)]}=

-17+{+5-[2-3]}=

-17+{+5-[-1]}=

-17+{+5+1}=

-17+{+6}=

-17+6= -11