Question

answer it
fill in the blanks​

Answer 1

1) -0

2)-0

3)40+40+7

4)-609

please make me brainliest

Answer 2

Step-by-step explanation:

1) -69 +0 = -69

2) -89 × 1 = -89

3) sorry don't know

4) -609÷ -609 =1