Question

-25+(-48)+(-70)=

-47+(+12)=

-75+(-25)=

-88+(+38)=

146+(-54)=

Answer 1

-25+(-48)+(-70)=-25-48-70= -143
-47+(+12)=-47+12= -35

-75+(-25)= -75-25= -100

-88+(+38)= -88+38= -50

146+(-54)= 146-54= 92

Aplicando la ley de los signo
(+)(+)= +
(+)(-)= -
(-)(-)= +
(-)(+)= -