Respuesta :

Answer:

1. 16-x-x-x-x = 0

   x = 4

2. 18-y-y-y-y-y-y-y-y-y = 0

   y = 2

3. 27-x-x-x =0

   x = 9

4. 100-y-y-y-y-y-y-y-y-y-y = 0

   y = 10

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