Question

Exercícios

1) Determine as somas:

a) ( + 3 ) + ( + 1)

b) ( - 4 ) + ( - 2 )

c) ( - 3 ) + ( - 6 )

d) ( - 1 ) + ( - 1 )​

Answer 1

>>>Solução (Respostas):

A)- 4

B)- -6

C)- -9

D)- -2

>>>Resolução:

a)-

$( + 3) + ( + 1) = \\ 3 + 1 \\ 4$

➖➖➖➖➖➖➖➖➖➖➖➖➖

b)-

$( - 4) + ( - 2) = \\ - 4 + ( - 2) \\ - 4 + - 2 \\ - 6$

➖➖➖➖➖➖➖➖➖➖➖➖➖

c)-

$( - 3) + ( - 6) = \\ - 3 + ( - 6) \\ - 3 + - 6 \\ - 9$

➖➖➖➖➖➖➖➖➖➖➖➖➖➖

d)-

$( - 1) + ( - 1) = \\ - 1 + ( - 1) \\ - 1 - 1 \\ - 2$