Question

a) -(5+9-6)+(11-8+5)+(-10)=
b)3-(2+8)-(15+3)+8-5+(-2)=
c)-7-2-(4+6)-(9+2)-3+1-(-2)=
d)-6+5-(-2+9+(-5+8)=​​

Answer 1

Respuesta:

a) -(5+9-6)+(11-8+5)+(-10)=

-(14-6)+(11-13)+(-10)=

(8)+(-2)+(-10)=

8-2-10=

6-10=4

b) 3-(2+8)-(15+3)+8-5+(-2)=

3-(10)-(12)+8-5+(-2)=

3-10-12+8-5-2=

3-10-20-5-2=

-7-20-7=

-27-7=-34

c) -7-2-(4+6)-(9+2)-3+1-(-2)=

-7-2-(10)-(11)-3+1-(-2)=

-7-2-10-11-3+1+2=

-7-2-10-11-3+3=

-9-10-11-3+3=

-19-11-3+3=

-30-3+3=

-33+3=-30

d) -6+5-(-2+9)+(-5+8)=​​

-6+5-(7)+(3)=​

​-6+5-7+3=

​​-1-4=-5

​

Explicación paso a paso:

Regla de signos básica, escribí todos los pasos pero te podes saltar algunos