新人教版数学八年级上学期多媒体课件 15.4.2.1 ：单项式除以单项式 【最新】八年级数学15.4.2.1整式的除法单项式的除法课件回顾与思考 回顾 回顾 ; (4) (4) = = . . ; ; (1) (1) = = ; ; (2) (2) = = 1 1 2 2 、 、 计算： 计算： (1) (1) a a 20 20 a a 10 10 (2) (2) a a 2 2n n a a n n (3) (3) ( ( c c ) ) 4 4 ( ( c c ) ) 2 2 (4) (4) ( ( a a 2 2 ) ) 3 3 ( ( - - a a 3 3 ) ) ( ( a a 3 3 ) ) 2 2 (5) (5) ( ( x x 4 4 ) ) 6 6 ( ( x x 6 6 ) ) 2 2 ( ( - - x x 4 4 ) ) 2 2 = = a a 10 10 = = a a n n = = c c 2 2 = = a a 9 9 a a 6 6 = = a a 3 3 = = x x 24 24 x x 12 12 x x 8 8 = = x x 24 24
