新北师大版二年级数学上册《-除法--长颈鹿与小鸟》公开课ppt课件.ppt

北师大版二年级数学上册长颈鹿与小鸟 运用乘法口诀求商678 97 ( )=56 ( )9=72 8 ( )=48 ( )6=42 9 ( )=63 3 ( )=21 ( )4=36 ( )5=35 6 78 9 ( )9=72 8 ( )=48 ( )6=42 9 ( )=63 3 ( )=21 ( )4=36 ( )5=35 7 ( )=56 86 7 8 9 8 ( )=48 ( )6=42 9 ( )=63 3 ( )=21 ( )4=36 ( )5=35 7 ( )=568 ( )9=72 86 78 9 ( )6=42 9 ( )=63 3 ( )=21 ( )4=36 ( )5=35 7 ( )=568 ( )9=72 88 ( )=48 6678 9 9 ( )=63 3 ( )=21 ( )4=36 ( )5=35 7 ( )=56 8( )9=7288 ( )=48 6 ( )6=427678 9 ( )4=36 ( )5=35 7 ( )=568( )9=728( )6=428 ( )=48 679 ( )=637678 9 ( )5=35 7 ( )=56 8(