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Fill in the numbers according to the law in the second grade mathematics
1、2、3、6、5、 10、7、 14、9

Because 1 ratio 3 plus 2, 2 to 6 plus 4, 3 to 5 plus 2, 6 to 10 plus 4. According to this law, the following numbers can be obtained.

(I calculated it like this (* _ _ *) Hee hee ...)