Matemática, perguntado por cianegrapiuna, 8 meses atrás

ADIÇÃO
a- (+3) + (–18) =

b- (–9) + (–7) =

c- (–16) + (+5) =

d- (+8) + (–10) =

e- (+4) + (+19) =

f- (+13) + (–1) =

g- (–6) + (–17) =

h- (+37) + (–37) =

i- (+18) + (–18) =

j- (+17) + (–18) =

k- (–46) + (+16) =

l- (+50) + (–32) =

m- (–15) + (–15) =

n- (+7) + (+7) =

o- (–14) + (+14) =
SUBTRAÇÃO
a- (+7) – (–12) =

b- (–3) – (–7) =

c- (–23) – (+6) =

d- (+10) – (–10) =

e- (–4) – (+9) =

f- (+1) – (–1) =

g- (–17) – (–17) =

h- (+3) – (–17) =

i- (+12) – (+8) =

j- (+27) – (+9) =

k- (–32) – (+16) =

l- (+16) – (–2) =

m- (–72) – (–72) =

n- (+14) – (+14) =

o- (–10) – (+10) =
MULTIPLICAÇÃO
a- (+6) . (–8) =

b- (–7) . (–9) =

c- (–16) . (+5) =

d- (+18) . (–10) =

e- (+13) . (+3) =

f- (+19) . (–1) =

g- (–20) . (–7) =

h- (+5) . (–7) =

i- (+13) . (–13) =

j- (+7) . (–18) =

k- (–6) . (+16) =

l- (+5) . (–45) =

m- (–15) . (–15) =

n- (+28) . (+3) =

o- (–4) . (+74) =
DIVISÃO
a- (–18) : (–3) =

b- (+56) : (–7) =

c- (+16) : (+2) =

d- (+80) : (–4) =

e- (+45) : (–9) =

f- (+13) : (–1) =

g- (–63) : (+7) =

h- (–32) : (–4)=

i- (+18) : (–9) =

j- (–72) : (–8) =

k- (+48) : (+8) =

l- (+54) : (–9) =

m- (–32) : (–16) =

n- (–28) : (+7) =

o- (–196) : (+14)

Soluções para a tarefa

Respondido por GMOL
3

Lembre-se da regra dos sinais:

+ com + = +

- com - = +

- com + = -

ADIÇÃO

a- (+3) + (–18) = -15

+3 - 18 = -15

b- (–9) + (–7) =

-9 - 7 = -16

c- (–16) + (+5) =

-16 + 5 = -11

d- (+8) + (–10) =

+8 - 10

-2

e- (+4) + (+19) =

+4 + 19

+23

f- (+13) + (–1) =

+13 - 1

+12

g- (–6) + (–17) =

-6 - 17

-23

h- (+37) + (–37) =

+37 - 37

0

i- (+18) + (–18) =

+18 - 18

0

j- (+17) + (–18) =

+17 - 18

-1

k- (–46) + (+16) =

-46 + 16

-30

l- (+50) + (–32) =

+50 - 32

+18

m- (–15) + (–15) =

-15 - 15

-30

 

n- (+7) + (+7) =

+7 + 7

+14

o- (–14) + (+14) =

-14 + 14

0

SUBTRAÇÃO

a- (+7) – (–12) =

+7 + 12

+19

b- (–3) – (–7) =

-3 + 7

+4

c- (–23) – (+6) =

-23 - 6

-29

d- (+10) – (–10) =

+10 + 10

+20

e- (–4) – (+9) =

-4 - 9

-13

f- (+1) – (–1) =

+1 + 1

+2

g- (–17) – (–17) =

-17 + 17

0

h- (+3) – (–17) =

+3 + 17

+20

i- (+12) – (+8) =

+12 - 8

+4

j- (+27) – (+9) =

+27 - 9

+18

k- (–32) – (+16) =

-32 - 16

-48

l- (+16) – (–2) =

+16 + 2

+18

m- (–72) – (–72) =

-72 + 72

0

n- (+14) – (+14) =

+14 - 14

0

o- (–10) – (+10) =

-10 - 10

-20

MULTIPLICAÇÃO

a- (+6) . (–8) = -48

b- (–7) . (–9) = +63

c- (–16) . (+5) = -80

d- (+18) . (–10) = -180

e- (+13) . (+3) = +39

f- (+19) . (–1) = -19

g- (–20) . (–7) = +140

h- (+5) . (–7) = -35

i- (+13) . (–13) = -169

j- (+7) . (–18) = -126

k- (–6) . (+16) = -96

l- (+5) . (–45) = -225

m- (–15) . (–15) = +225

n- (+28) . (+3) = +84

o- (–4) . (+74) = -296

DIVISÃO

a- (–18) : (–3) = +6

b- (+56) : (–7) = -8

c- (+16) : (+2) = +8

d- (+80) : (–4) = -20

e- (+45) : (–9) = -5

f- (+13) : (–1) = -13

g- (–63) : (+7) = -9

h- (–32) : (–4)= +8

i- (+18) : (–9) = -2

j- (–72) : (–8) = +9

k- (+48) : (+8) = +6

l- (+54) : (–9) = -6

m- (–32) : (–16) = +2

n- (–28) : (+7) = -4

o- (–196) : (+14) = -14

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