Question

-
Resolva as expressões com números inteiros.


a) 1 + 2-3 +3 + 2-3 +3 + 2
b) - 2 + 2-4 + 3 + 2-3 + 2
c) 5 + 1 - 4 + 3 + 2-2-9 + 3
d) - 2 + 3 + 2-3+3+2 -12
e) -3- 1 - 2 + 3 - 4 + 3+ 2 - 1
f) - 1 - 2 + 3 - 4 - 8 +3 + 2 -6
g) 1 -1 -2- 6 + 4 + 3+2-7
h) 4-5-3-2 + 3 + 3 + 2-8
i) +5 - 2 + 2 -3-6-3 + 4 - 5
1) 5 + 7 -3 + 2 + 2-3-1 - 4 + 6
k) - 4 + 2 + 2-3-2+2-5-7
1) - 2 + 6 - 3+3+ 6 - 4 - 7 + 7-5
m) - 2 + 3 - 1 + 3 + 4-5-6 + 7-5
n) – 7 + 4 - 3 + 6 + 4 - 4 - 7 + 7-6
0) - 3+5 -5 + 9 + 8 -5 -3+4 - 2
p) – 1 + 2-2 + 3 + 8-9-2 +4 -1
q) - 3+2 - 7+ 3 + 5 - 4 - 7 + 8 - 3
r) + 3 + 2 - 2 + 3 + 4 -5 -6 + 7 - 3
s) - 11 + 4 + 0 + 4 - 5 - 3 - 2 + 3 + 4 .
t) + 4-5-3-2 + 3-5-9 + 4 - 4
u) – 5 – 9+4-5-3 - 2 + 3-5-2
V) - 4 - 3+ 4-5-1 -2+2-3-7
w) -2 -1 -4 -3 + 4 - 1 + 2-3 - 8
x) - 3-4-3 + 4-5-2 +2-9-5
y) - 8 -2 -1 -6 + 9 – 4 – 3+ 4 – 16
z) + 42-3-3-1 + 3-4-22 + 12-5​

Answer 1

Resposta:

a) = -2

b) = 4

c) = -1

d) = -7

e) = -3

f) = -13

g) = -6

h) = -6

i) = -8

j) = 11

k) = -15

l) = 1

m) = -3

n) = -6

o) = 8

p) = 2

q) = -6

r) = 3

s) = -6

t) = -17

u) = -24

v) = -19

w) = -16

x) = -25

y) = -28

z) = 19

Explicação passo-a-passo:

a) 1 + 2-3 +3 + 2-3 +3 + 2

= 3-3+3+2-3+3+2

= 0-6+2-3+3+2

= -4-3+3+2

= -7+3+2

= -4+2

= -2

b) - 2 + 2-4 + 3 + 2-3 + 2

= 0-1+2-3+2

= 1-3+2

= 2+2

= 4

c) 5 + 1 - 4 + 3 + 2-2-9 + 3

= 6-4+3+2-2-9+3

= 2+3+2-2-9+3

= 7-2-9+3

= 5-9+3

= -4+3

= -1

d) - 2 + 3 + 2-3+3+2 -12

= 1+2-3+3+2-12

= 3-3+3+2-12

= 0+3+2-12

= 5-12

= -7

e) -3- 1 - 2 + 3 - 4 + 3+ 2 - 1

= -6+3-4+3+2-1

= -3-4+3+2-1

= -7+3+2-1

= -4+2-1

= -2-1

= -3

f) - 1 - 2 + 3 - 4 - 8 +3 + 2 -6

= -3+3-4-8+3+2-6

= 0-4-8+3+2-6

= -12+3+2-6

= -9+2-6

= -7-6

= -13

g) 1 -1 -2- 6 + 4 + 3+2-7

= 0-2-6+4+3+2-7

= -8+4+3+2-7

= -4+3+2-7

= -1+2-7

= 1-7

= -6

h) 4-5-3-2 + 3 + 3 + 2-8

= -1-3-2+3+3+2-8

= -6+8-8

= 2-8

= -6

i) +5 - 2 + 2 -3-6-3 + 4 - 5

= 3+2-3-6-3+4-5

= 5-12+4-5

= -7+4-5

= -3-5

= -8

j) 5 + 7 -3 + 2 + 2-3-1 - 4 + 6

= 12-3+4-8+6

= 9+4-8+6

= 13-8+6

= 5+6

= 11

k) - 4 + 2 + 2-3-2+2-5-7

= -4+4-5+2-12

= 0-3-12

= -15

l) - 2 + 6 - 3+3+ 6 - 4 - 7 + 7-5

= 4-3+9-11+7-5

= 1+9-11+7-5

= 10-11+7-5

= -1+7-5

= 6-5

= 1

m) - 2 + 3 - 1 + 3 + 4-5-6 + 7-5

= 1-1+3+4-11+6-5

= 0+7-11+6-5

= -4+6-5

= 2-5

= -3

n) – 7 + 4 - 3 + 6 + 4 - 4 - 7 + 7-6

= -3-3+10-11+7-6

= -6+10-11+7-6

= 4-11+7-6

= -7+7-6

= 0-6

= -6

o) - 3+5 -5 + 9 + 8 -5 -3+4 - 2

= 2-5+17-8+4-2

= -3+17-8+4-2

= 14-8+4-2

= 6+4-2

= 10-2

= 8

p) – 1 + 2-2 + 3 + 8-9-2 +4 -1

= 1-2+11-11+4-1

= -1+11-11+4-1

= 10-11+4-1

= -1+4-1

= 3-1

= 2

q) - 3+2 - 7+ 3 + 5 - 4 - 7 + 8 - 3

= -1-7+8-11+8-3

= -8+8-11+8-3

= 0-11+8-3

= -3-3

= -6

r) + 3 + 2 - 2 + 3 + 4 -5 -6 + 7 - 3

= 5-2+7-11+7-3

= 3+7-11+7-3

= 10-11+7-3

= -1+7-3

= 6-3

= 3

s) - 11 + 4 + 0 + 4 - 5 - 3 - 2 + 3 + 4

= -7+4-10+7

= -3-10+7

= -13+7

= -6

t) + 4-5-3-2 + 3-5-9 + 4 - 4

= -1-5+3-14+4-4

= -6+3-14+4-4

= -3-14+4-4

= -17+4-4

= -13-4

= -17

u) – 5 – 9+4-5-3 - 2 + 3-5-2

= -14+4-10+3-7

= -10-10+3-7

= -20+3-7

= -17-7

= -24

v) - 4 - 3+ 4-5-1 -2+2-3-7

= -7+4-8+2-10

= -3-8+2-10

= -11+2-10

= -9-10

= -19

w) -2 -1 -4 -3 + 4 - 1 + 2-3 - 8

= -10+4-1+2-11

= -6-1+2-11

= -7+2-11

= -5-11

= -16

x) - 3-4-3 + 4-5-2 +2-9-5

= -10+4-7+2-14

= -6-7+2-14

= -13+2-14

= -11-14

= -25

y) - 8 -2 -1 -6 + 9 – 4 – 3+ 4 – 16

= -17+8-7+4-16

= -9-7+4-16

= -16+4-16

= -12-16

= -28

z) + 42-3-3-1 + 3-4-22 + 12-5

= 39-4+3-26+12-5

= 35+3-26+12-5

= 38-26+12-5

= 12+12-5

= 24-5

= 19