一年级数学下册 十几减几的口算练习(1)
要求：口答3次，前几题要求说出计算过程 姓名： 11-9= 14-8= 15-7= 16-6= 18-8= 18-9= 13-7= 14-6= 15-6= 17-7= 16-8= 14-9= 12-8= 16-9= 13-8= 18-6= 12-6= 18-7= 13-6= 10-9=
17-8= 19-6= 13-9= 12-7= 16-7= 11-6= 10-8= 12-9= 15-9= 15-8= 17-6= 10-6= 17-9= 19-8= 19-7= 19-9= 11-7= 14-7= 11-8= 10-7=
11-7= 12-8= 10-9= 18-9= 18-7= 11-9= 18-8= 15-6= 13-7= 12-6= 14-9= 16-9= 12-9= 16-7= 13-9= 15-9= 10-8= 14-6= 17-6= 19-7=
17-9= 15-7= 15-8= 11-6= 16-8= 18-6= 11-8= 12-7= 17-8= 16-6= 19-9= 13-6= 10-6= 14-8= 13-8= 14-7= 19-6= 19-8= 10-7= 17-7=