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9的组合与分解,复习,2,7,6,5,4,3,8,1,7 6 5 4 3 2 1,?,( )个,9的认识,9,0 1 2 3 4 5 6 7 8,9,9可以表示什么？,0,2,1,4,3,5,7,6,8,9,练一练1、画9个,画9个,2分一分,?,?,【 9 】,1,8,【 9 】,2,7,【 9 】,3,6,【 9 】,4,5,【 9 】,5,4,【 9 】,6,3,【 9 】,7,2,【 9 】,1,8,1,【 9 】,1,8,2,6,8,7,2,5,7,3,4,6,5,4,3,1,1,8,2,6,5,7,3,4,6,5,4,3,9,1,4,2,4,9,3,2,3,1,9,5,7,8,8,7,4,7,6,6,5,5,2,（ ）个,1,8,9,?,9,1,8,2,6,8,7,2,5,7,3,4,6,5,4,3,1,8,6,4,5,3,1,7,2,3,4,6,5,9,9,9,9,9,9,5,3,8,1,6,2,7,4,找朋友,再见小朋友,
