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)
Respostas
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:)