Resolva
a 22-(+12)=
b 18-(+3)=
c -9-(-2)=
d 100-(-20)=
e (-9)-(+7)+(+13)-(-20)=
f (-11)+(-7)+(+18)=
g (-51)+(-82)-(-12)-(+7)=
h (-9)+(+10)-(+3)-(+20)=
I (-1)+(-17)-(+18)=
j (-5)-(-8)-(-2)-(+10)=
Respostas
Segue a lista abaixo
A) 22-(+12) = -10
B) 18-(+3) = -15
C) -9-(-2) = -7
D) 100-(-20) = 120
E) (-9)-(+7)+(+13)-(-20) = 17
F) (-11)+(-7)+(+18) = 0
G) (-51)+(-82)-(-12)-(+7) = -128
H) (-9)+(+10)-(+3)-(+20) = -22
I) (-1)+(-17)-(+18) = 36
J) (-5)-(-8)-(-2)-(+10) = -5
Bons estudos!
Obs: Corrigido!
Resposta:
A)-10
B)-15
C)-7
D)120
E)-17
F)0
G)-128
H)-22
i)-36
J)-5
Explicação passo-a-passo:
A)22-(+12)
22-(+12)
22-12
10
22-12
-10
Resposta
-10
B)18-(+3)
18-(+3)
18-3
-15
18-3
-15
Resposta
-15
C)-9-(-2)
-9-(-2)
-9+2
-(9-2)
-7
-9+2
-7
Resposta
-7
D)100-(-20)
100-(-20)
100+20
120
Resposta
120
E)(-9)-(+7)+(+13)-(-20)
(-9)-(+7)+(+13)-(-20)
-9-7+13-(-20)
(-9)-(+7)+(+13)-(-20)
-9-7+13+20
-9-7+13+20
-16+13+20
-9-7+13+20
-16+33
17
-9-7+13+20
17
Resposta
-17
F)(-11)+(-7)+(+18)
(-11)+(-7)+(+18)
-11+(-7)+18
(-11)+(-7)+(+18)
-11-7+18
-18+18
0
-11-7+18
0
Resposta
0
G)(-51)+(-82)-(-12)-(+7)
-(51)+(-82)-(-12)-(+7)
-51+(-82)-(-12)+-7
(-51)+(-82)-(-12)-(+7)
-51-82-(-12)-+7
(-51)+(-82)-(-12)-(+7)
-51-82+12-7
-140+12
-128
-51-82+12-7
-128
Resposta
-128
H)(-9)+(+10)-(+3)-(+20)
(-9)+(+10)-(+3)-(+20)
-9+10-3-20
-9-3-20
-(9+3+20)
-22
-9+10-3-20
-32+10
-22
Resposta
-22
i)(-1)+(-17)-(+18)
(-1)+(-17)-(+18)
-1-17-18
-(1+17+18)
1+17+18
(18+18)
36
-(1+17+18)
-36
Resposta
-36
J)(-5)-(-8)-(-2)-(+10)
(-5)-(-8)-(-2)-(+10)
-5+8-(-2)-10
-5+8+2-10
-15+8+2
-15+10
-5
-5+8+2-10
-5
Resposta
-5
J)(-5)-(-8)-(-2)-(+10)
(-5)-(-8)-(-2)-(+10)
(-5)-(-8)-(-2)-(+10)
-5+8-(-2)-10
(-5)-(-8)-(-2)-(+10)
-5+8+2-10
-15+8+2
-5+8+2-10
15+10
-5
-5+8+2-10
-5
Resposta
-5