Question

regla de los signos
ayudaaa...
-2+4-4
-3+9-11
11-23+2
20- -2 -3
27-27+30
40+-40 +20
-7+-8-2
27+-3

Answer 1

-2 + 4 - 4 =
2 - 4 =
-2

-3 + 9 - 11 =
6 - 11 =
-5

11 - 23 + 2 =
-12 + 2 =
-10

20 - 2 - 3 =
18 - 3 =
15

27 - 27 + 30 =
0 + 30 =
30

40 - 40 + 20 =
0 + 20 =
20

-7 - 8 - 2 =
-15 - 2 =
-17

27 - 3 =
24