Respuesta :

Step-by-step explanation:

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Answer:

1/4

Step-by-step explanation:

6/12 - 5/12 + 4/12 - 3/12 + 2/12 - 1/12

= ( 6 - 5 + 4 - 3 + 2 - 1 ) / 12

= ( 6 + 4 + 2 - 5 - 3 - 1 ) / 12

= ( 12 - 9 ) / 12

= 3 / 12

= 1 / 4