Question

resolver +(+12-9)-(+10)=
resolver -(-17-12)+(-30)​

Answer 1

Respuesta:

resolver +(+12-9)-(+10)= -7

resolver -(-17-12)+(-30)= -1

Answer 2

resolver +(+12-9)-(+10)=

12-9-10

12-19=-7

resolver -(-17-12)+(-30)​=

17+12-30

29-30 = -1