Question

Rezolvati asta va rog!
-7+(+3)=
12+(-3)=
21-(-3)+(+2)=
12-(+5)+3=
[-20-(-5)]-[16-(-3)-9]=
17-3-(-5)=
14-(-5)+1=
-5-(-3)+2-1=
41-9-32=
-80-4-26=
31-(-4) +(+5)
​

Answer 1

Explicație pas cu pas:

-7+3=-4

12-3=9

21+3+2=26

12-5+3=10

(-20+5)-(16+3-9)=-15 - 10=-25

17-3+5=20

14+5+1=20

-5+3+2-1=-1

0

-110

31+4+5=40