摘要:计算下面各题. 19-8= 11-5= 13-9= 12-8= 17-6= 11-4= 15-6= 13-8= 9+8= 7+9= 6+6= 10-6= 16-8= 14-6= 6+10= 16-10= 17-3-8= 9+4-7= 8+9-9= 5+7+5= 6+9-8= 6-6+11=
网址:http://m.1010jiajiao.com/timu3_id_581168[举报]
网址:http://m.1010jiajiao.com/timu3_id_581168[举报]