20160222口算题20以内减9.doc

文档介绍：11 -9 = 16 -9 = 13-9= 15-9= 10 -9 = 13-9= 15-9= 10 -9 = 17-9= 13-9= 11 -9 = 16-9= 14-9= 14 -9 = 16-9= 12 -9 = 20 -9 = 10-9= 20-9= 20 -9 = 13-9= 10-9= 13 -9 = 10-9= 17-9= 15 -9 = 20-9= 13-9= 12 -9 = 14-9= 20 -9 = 11 -9 = 17-9= 16-9= 18 -9 = 12-9= 17-9= 15 -9 = 14-9= 15-9= 17 -9 = 16-9= 11-9= 12 -9 = 20-9= 14 -9 = 12 -9 = 17-9= 11-9= 10 -9 = 20-9= 14-9= 15 -9 = 15-9= 11-9= 17 -9 = 19-9= 18-9= 12 -9 = 15-9= 10 -9 = 13 -9 = 15-9= 10-9= 17 -9 = 13-9= 11-9= 16 -9 = 14-9= 14-9= 16 -9 = 12-9= 20-9= 10 -9 = 20-9= 20 -9 = 13 -9 = 10-9= 13-9= 10 -9 = 17-9= 15-9= 20 -9 = 13-9= 12-9= 14 -9 = 20-9= 11-9= 17 -9 = 16-9= 18 -9 = 12 -9 = 17-9= 15-9= 14 -9 = 15-9= 17-9= 16 -9 = 11-9= 12-9= 20 -9 = 14-9= 12-9= 17 -9 = 11-9= 10 -9 = 20 -9 = 14-9= 15-9= 15 -9 = 11-9= 17-9= 19 -9 = 18-9= 12-9= 15 -9 = 10-9= 13-9= 15 -9 = 10-9= 17 -9 = 13 -9 = 11-9= 16-9= 14 -9 = 14-9= 16-9= 12 -9 = 20-9= 10-9= 20 -9 = 20-9= 13-9= 10 -9 = 13-9= 10 -9 = 17 -9 = 15-9= 20-9= 13 -9 = 12-9= 14-9= 20 -9 = 11-9= 17-9= 16 -9 = 18-9= 12-9= 17 -9 = 15-9= 14 -9 = 15 -9 = 17-9= 16-9= 11 -9 = 12-9= 20-9= 14 -9 = 12-9= 17-9= 11 -9 = 10-9= 20-9= 14 -9 = 15-9= 15 -9 = 11 -9 = 17-9= 19-9= 18 -9 = 12-9= 15-9= 10 -9 = 13-9= 15-9= 10 -9 = 17-9= 13-9= 11 -9 = 16-9= 14 -9 = 14 -9 = 16-9= 12-9= 20 -9 = 10-9= 20-9= 20 -9 = 13-9= 10-9= 13 -9 = 10-9= 17-9= 15 -9 = 20-9= 13 -9 = 12 -9 = 14-9= 20-9= 11 -9 = 17-9= 16-9= 18 -9 = 12-9= 17-9= 15 -9 = 14-9= 15-9= 17 -9 = 16-9= 11 -9 = 12 -9 = 20-9= 14-9= 12 -9 = 17-9= 11-9= 10 -9 = 20-9= 14-9= 15 -9 = 15-9= 11-9= 17 -9 = 19-9= 18 -9 = 12 -9 = 15-9= 10-9= 13 -9 = 15-9= 10-9= 17 -9 = 13-9= 11-9= 16 -9 = 14-9= 14-9= 16 -9 = 12-9= 20 -9 = 10 -9 = 20-9= 20-9= 13 -9 = 10-9= 13-9= 10 -9 = 17-9= 15-9= 20 -9 = 13-9= 12-9= 14 -9 = 20-9= 11 -9 = 17 -9 = 16-9= 18-9= 12 -9 = 17-9= 15-9= 14 -9 = 15-9= 17-9= 16 -9 = 11-9= 12-9= 20 -9 = 14-9= 12 -9 = 17 -9 = 11-9= 10-9= 20 -9 = 14-9= 15-9= 15 -9 = 11-9= 17-9= 19 -9 = 18-9= 12-9= 15 -9 = 10-9= 13 -9 = 15 -9 = 10-9= 17-9= 13 -9 = 11-9= 16-9= 14 -9 = 14-9=