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11,11,12,13,15,14,14,10,11,9,6,18,15,10,16,0,8,+,4,12,6,+,6,12,6,8,8,6,9,5,8,4,5,7,6,6,7,+,9,16,6,+,5,11,6,+,8,14,9 + 1 + 6 = 16 (个),2,4,6,8,10,12,14,16,18,8,9,8,+,4,12,7,+,9,16,(只),总结: 通过本节课的学习,你有什么收获?,谢谢!,