Question

ayudemen por favor por fis​

Answer 1

Explicación paso a paso:

7. (-5/9)+(1/3)=(-5/9)+(3/9)=(-2/9)

8. (-5/6)+(4/3)=(-5/6)+(8/6)=3/6=1/2

9. (-5/4)×(-2/3)=10/12=5/6