限时测试
10-5= 6-4= 7-3= 9-6= 3-1= 8-5= 7-2= 5-1= 4-2= 9-5= 10-2= 5-2= 8-3= 6-6= 7-6= 4-4= 9-1= 6-5= 9-4= 10-9= 5-5= 7-1= 3-2= 2-0= 6-5= 8-6= 5-5= 9-0= 8-8= 6-5= 7-1= 3-2=
10-4= 4-1= 10-3= 6-1= 5-4= 9-3= 10-6= 8-4= 3-3= 6-6= 10-9= 7-4= 4-2= 10-7= 9-3= 10-6= 8-4= 3-3= 6-5= 4-1= 10-8= 7-5= 8-7= 9-8= 1-0= 8-3= 9-5= 7-7= 6-6= 10-10= 5-3= 8-7= 9-8= 1-0= 2-1= 7-7= 8-6= 9-2= 10-6= 7-4= 5-3= 3-1= 9-6= 10-8= 2-1= 8-6= 7-6= 9-1= 7-4= 5-3= 3-1= 5-2= 6-3= 4-3= 3-2= 9-1= 8-2= 2-2= 10-10=9-2= 7-5= 6-2= 10-9= 3-0= 4-3= 8-2= 7-6= 9-9=