Question

a)+(-13)-(+7)-8-9-13+(-15)+16-16-19-23+(-20)
b)-(+9-5)-3+8-(-4+10)-6+11-(+8-15)-9+19-(-2+9)
c)+(-9-5+3)-15-9+8-(-20+16-9)-(+5-16-14)+(-8)
d)-(+7-9-13)-4+6-2(-8+10-17)-(-6+8-18)
e)+(-27-10+31)-(-19+14-29)-(-30+20-40)-8+15-9
(+19)
f)-(-3+9-19)+(-20-31+40)-(-36+50-9)-(13+4-6)
​

Answer 1

Resposta:

Explicação passo a passo:

A)+(-13)-(+7)-8-9-13+(-15)+16-16-19-23+(-20)

-13-7-8-9-13-15+16-16-19-23-20

-20-8-9-13-15+16-16-19-23-20

-28-9-13-15+16-16-19-23-20

-37-13-15+16-16-19-23-20

-50-15+16-16-19-23-20

-65+16-16-19-23-20

-49-19-23-20

-68-23-20

-91-20

-111

B)-(+9-5)-3+8-(-4+10)-6+11-(-8-15)-9+19-(-2+9)

(-9-5)-3+8(+5+10)-6+11(+8-15)-9+19(+2+9)

-14-3+8+15-6+11(+8-15)-9+19(+2+9)

-17+8+15-6+11-7-9+19+11

-9+15-6+11-7-9+19+11

+6-6+11-7-9+19+11

0+11-7-9+19+11

+4-9+19+11

-5+19+11

14+11

25

C)+(-9-5+3)-15-9+8-(-20+16-9)-(+5-16-14)+(-8)

(-14+3)-15-9+8(+20+16-9)(-5-16-14)-8

-11-15-9+8(36-9)(-5-16-14)-8

-11-15-9+8+27(21-14)-8

-11-15-9+8+27-35-8

-26-9+8+27-35-8

-35-8+27-35-8

-27+27-35-8

0-35-8

-43

D)-(+7-9-13)-4+6-2(-8+10-17)-(-6+8-18)

(-7-9-13)-4+6-2(-8+10-17)(+6+8-18)

(-16-13)-4+6-2(-8+10-17)(+6+8-18)

-29-4+6-2(+2-17)(+6+8-18)

-29-4+6-2-15(+6+8-18)

-29-4+6-2-15(+14-18)

-29-4+6-2-15-4

-33+6-2-15-4

-27-2-15-4

-29-15-4

-44-4

-48

E)+(-27-10+31)-(-19+14-29)-(-30+20-40)-8+15-9(+19)

(-37+31)(+19+14-29)(+30+20-40)-8+15-9(+19)

-6(+33-29)(+30+20-40)-8+15-9(+19)

-6+4(+50-40)-8+15-9×(19)

-6+4+10-8+15-171

-2+10-8+15-171

8-8+15-171

0+15-171

-156

F)-(-3+9-19)+(-20-31+40)-(-36+50-9)-(13+4-6)

(+3+9-19)(-20-31+40)(+36+50-9)(-13+4-6)

(12+9)(-20-31+40)(+36+50-9)(-13+4-6)

21(-51+40)(+36+50-9)(-13+4-6)

21-11(+76-9)(-13+4-6)

21-11+67(-9-6)

21-11+67-15

+10+67-15

+77-15

+62

Espero ter ajudado:)