Question

Colocar dentro del parentesis numero desconocido
(19-9)-( )=7

( )-(10-7=12

14-[( )-5]=3

Answer 1

Respuesta:

(19-9)-(3)=7

(15)-(10-7)=12

14-[(16)-5]=3

(19-9)-(3)=7

(10)-(3)=7

7=7

(15)-(10-7)=12

(15)-(3)=12

12=12

14-[(16)-5]=3

14-[11]=3

3=3