46×21—86简便计算
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/04 23:13:09
46×21—86简便计算
46×21—86简便计算
46×21—86简便计算
=46×21-46-40
=46×(21-1)-40
=46×20-40
=920-40
=880
46×21—86
=46×21—46-40
=46*20-40
=920-40
=880
46×21—86简便计算
46×21—86简便计算
46×21—86简便计算
=46×21-46-40
=46×(21-1)-40
=46×20-40
=920-40
=880
46×21—86
=46×21—46-40
=46*20-40
=920-40
=880