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How to do this math problem?
(2000-3)/12 =1997/12 =166 group ... The last five pigs are tigers, so they are the year of the tiger.

(2 1- 1) * 100 = 2000? (June 2000)/12 =1994/12 =166 ................................................................................................................, so the year of the tiger is 20 10.

(2001-2)/12 =166 group ... 7? Seven snakes belong to dogs, so this year is the year of the dog.