4.Which number should replace the question mark?[6【4】12] [3【4】9] [3【?】8]

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4.Whichnumbershouldreplacethequestionmark?[6【4】12][3【4】9][3【?】8]4.Whichnumbershouldreplacethequestio

4.Which number should replace the question mark?[6【4】12] [3【4】9] [3【?】8]
4.Which number should replace the question mark?[6【4】12] [3【4】9] [3【?】8]

4.Which number should replace the question mark?[6【4】12] [3【4】9] [3【?】8]
我觉得是3,12-6-4=2,9-3-4=2,8-3-3=2