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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,9,9,18,9,18,9,18,9,18,27,36,45,54,63,72,81,在下面的数字列表中找出9 的倍数,再观察这些数字有什么规律?,1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,说口诀,1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,说口诀,1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,说口诀,1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,说口诀,1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,说口诀,1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,说口诀,1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,说口诀,1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,说口诀,四九(),三十六,七,九,填口诀,()九六十三,五(),四十五,()九七十二,九(),八十一,()九十八,()八五十六,三(),二十七,六(),四十八,六(),五十四,八,二,七,九,九,八,九,看口诀写乘法算式,三九二十七,九九八十一,一九得九,七九六十三,1,99,9,19,7,963,9,763,3,927,9,327,9,981,看口诀说算式,三九二十七,九九八十一,一九得九,七九六十三,1,99,9,19,7,963,9,763,3,927,9,327,9,981,看图列式,7元,看图列式,79=63(元),?元,七九六十三,或 97=63(元),列式:,口诀:,在下面的数字列表中找出9 的倍数,再观察这些数字有什么规律?,通过这堂课的学习,,你有哪些收获呢?,
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