Question

sendo a= -3, b= -5 e c= +6 calcule:

a)a+b
b)b+c
c)a+c
d)a-b
e)a-c
f)a+b+c​

Answer 1

Resposta:

a)-8

b)+1

c)+3

d)-2

e)+3

f)0

Answer 2

Resposta:

a)-8

b)+1

c)+3

d)+2

e)-9

f)-2

Explicação passo-a-passo:

a)a+b

= -3+(-5)

= -3-5

= -8

b)b+c

= -5+(+6)

= -5+6

= +1

c)a+c

= -3+(+6)

= -3+6

= +3

d)a - b

= -3-(-5)

= -3+5

= +2

e)a-c

= -3-(+6)

= -3-6

= -9

f)a+b+c

= -3+(-5)+(+6)

= -3-5+6

= -8+6

= -2