Question

(45/13+-32/7)+(18/7+-58/13)

Answer 1

;

 

 

 

Answer 2

= -101/91 + -172/91

= -3

Answer 3

= - 3

Answer 4

=\(\left(-\dfrac{58}{13}+\dfrac{45}{13}\right)+\left(-\dfrac{32}{7}+\dfrac{18}{7}\right)=-\dfrac{13}{13}+-\dfrac{14}{7}=-1+-2=-3\)

Answer 5

\(\dfrac{45}{13}-\dfrac{32}{7}+\dfrac{18}{7}-\dfrac{58}{13}=\left(\dfrac{45}{13}-\dfrac{58}{13}\right)+\left(\dfrac{18}{7}-\dfrac{32}{7}\right)=\dfrac{-13}{13}+\dfrac{-14}{7}=-1-2=-3\)