Question

12+(-8);
1-3 + (+3);
( f0+(-6);
-21+
21 +(+23);
8+(-8);
(
0-3+ (+17):
(+19):​

Answer 1

Răspuns:

12+(-8)=12-8=4

1-3+(+3)= 1-3+3=-2+3=1

0+(-6)=0+6=6

-21+21+(+23)=0+23=23

8+(-8)=8-8=0

0-3+(+17)=-3+17=14