= 13 + 5 - 13 - 25
= 13 -13 + 5 - 25
= 0 + 5 - 25
= 5 - 25
= -20
\(=13+5-13-25\)
\(=18-13-25\)
\(=5-25=-20\)
|-13|+5+(-13)-25
=(13+(-13))+5-25
=0+5-25
=5-25
=-20
= 13 + 5 - 13 - 25
= 13 - 13 + 5 - 25
= 0 + 5 - 25
= 5 - 25
= -20
\(|-13|+5+\left(-13\right)-25\)
=13+5-13-25
=(13-13)+(5-25)
=0+(-20)
=-20