type the missing numbers.

Explanation:

Step1: Identify number - line pattern

The numbers on the number - line increase by 1.

Step2: Find the first missing number

Since 0 is the third number from the left and the numbers increase by 1, the first missing number is 0 - 2=-2.

Step3: Find the second missing number

The second missing number is 0 - 1=-1.

Step4: Find the third missing number

The third missing number is 3 + 1=4.

Answer:

-2, -1, 4