精选优质文档-倾情为你奉上姓名:日期:用时:错题:4 x 1 =6 x 9 =9 x 4 =8 x 4 =4 x 6 =6 x 5 =8 x 8 =9 x 6 =6 x 2 =5 x 7 =5 x 8 =2 x 3 =2 x 4 =4 x 6 =7 x 6 =9 x 9 =2 x 6 =5 x 4 =2 x 2 =5 x 7 =5 x 3 =9 x 7 =9 x 9 =6 x 2 =3 x 7 =9 x 9 =4 x 8 =4 x 1 =6 x 5 =4 x 9 =7 x 2 =4 x 2 =4 x 7 =9 x 8 =3 x 9 =9 x 5 =7 x 2 =2 x 5 =3 x 5 =5 x 5 =6 x 9 =7 x 2 =2 x 7 =4 x 3 =2 x 7 =5 x 7 =9 x 2 =2 x 3 =3 x 6 =7 x 4 =3 x 6 =