Respuesta :

Answer:

1. 45

2. 6

3. 120

4. -20

Step-by-step explanation:

1. First you take 10-1=9x5=45

2. First you take 4+4=8 then 48/8=6

3. First you take 10-8=2x4=6x20=120

4. First you take 5-3=2-4=-2/40=-20

I hope this helped!