Question

23- ? =19

23+ ? =6

-66 - ( ? ) = - 83

- 50 - ( ? ) = - 100

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Answer 1

Explicación:

1. 23-4=19

2. 23+(-17)=6

3. - 66-(17)=-83

4. - 50-(50)=-100

Answer 2

Respuesta:

23 - 4 = 19

23 - 17 = 6

66 + 18 = 83

50 + 50 = 100