Question

Números con signo
( - 7 ) + ( 91 ) =
( 45 ) + ( - 25 ) =
( - 18 ) + ( - 6 ) =
( - 24 ) + ( 12 ) =
( + 18 ) + ( - 18 ) =
- 40 - 12 =
0.5 - 1.2 =
( - 35 ) + ( 19 ) + ( - 16 ) + ( - 13 ) =
13 + 5 - 9 + 4 - 21 =
ayuda es urgente por favor ​

Answer 1

Respuesta:

(-7)+(91)=84

45+(-25)=20

(-18)+(-6)= -24

(-24)+(12)= -12

(+18)+(-18)=0

(-40)-12= -52

0,5-1,2= -0.7

(-35)+(19)+(-16)+(-13)=(-16)+(-29)= -45

13+5-9+4-21= -8