Question

20 puntos al que lo resuelva‍♀️

Answer 1

a)
13-(9+5)=
13-(14)=
13-14=
-1

b)
(5-7)-(11-4+2)=
(-2)-(9)=
-2-9=
-11

c)
[(+6)-(-8)]-[(-4)-(-10]=
(6+8)-(-4+10)=
14-(6)=
14-6=
8

d)
(2-8)+(5-7)-(-9+6)-(-5+7)=
(-6)+(-2)-(-3)-(2)=
-6-2+3-2=
-7

e)
(-3)[(-9)-(-7)]=
(-3)(-9+7)=
(-3)(-2)=
6

f)
[(-9)-(+6)]÷(-5)=
(-9-6)÷(-5)=
(-15)÷(-5)=
3

g)
(+5)-(-18)÷[(+9)-(+15)]=
5-(-18)÷(9-15)=
5-(-18)÷-6=
5-3=
2

h)
(+4)(-6)-(-15)-(+2)(-7)=
-24+15-(-14)=
-8+14=
6

Answer 2

Respuesta:

1)

13-(9+5)=

13-(14)=

13-14=

-1

2)

(5-7)-(11-4+2)=

(-2)-(9)=

-2-9=

-11

3)

[(+6)-(-8)]-[(-4)-(-10]=

(6+8)-(-4+10)=

14-(6)=

14-6=

8

4)

(2-8)+(5-7)-(-9+6)-(-5+7)=

(-6)+(-2)-(-3)-(2)=

-6-2+3-2=

-7

5)

(-3)[(-9)-(-7)]=

(-3)(-9+7)=

(-3)(-2)=

6

6)

[(-9)-(+6)]÷(-5)=

(-9-6)÷(-5)=

(-15)÷(-5)=

3

7)

(+5)-(-18)÷[(+9)-(+15)]=

5-(-18)÷(9-15)=

5-(-18)÷-6=

5-3=

2

8)

(+4)(-6)-(-15)-(+2)(-7)=

-24+15-(-14)=

-8+14=

6