Question

ajudam joy? obrigado a quem ajudar

1) ( -1/5 ) + ( -9/5 ) = 


2) ( -4/7 ) + ( +2/3 ) = 


3) ( -3/4 ) - ( -1/4 ) + ( -2/4 ) = 


4) ( -1/3 ) + ( -2/3 ) + ( - 1/2 ) = 


5) ( +5/3 ) - ( + 1/4) + ( + 2/7 ) = 


6) ( - 1/3 ) + ( - 1/2 ) +( + 3/2 ) = 


7) ( - 3/5 ) - ( - 2/3 ) + ( - 1/2 ) = 


8) ( + 5/3 ) + ( - 1/2 ) - ( - 2/3 ) = 


9) ( - 3/4 ) - ( - 1/2 ) + ( + 1/5 ) - ( + 2/3 )


10) ( - 1/3 ) + ( - 2/5 ) + ( - 1/2 ) = 

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Answer 1

Resposta:

1) -10/5 = -2

2)-2/21

3) -6/4 = -3/2

4) -3/2

5) 143/84

6) 2/3

7) -13/30

8) 11/6

9) -43/60

10) -37/30