限时测试

7-4= 6-5= 9-6= 3-1= 3-0= 5-2= 8-3= 6-4= 7-2= 2-1= 4-3= 1-1= 5-4= 6-3= 4-3= 8-7= 9-8= 6-5= 5-5= 9-8=

5-2= 7-0= 7-1= 2-0= 9-7= 9-4= 9-5= 7-6= 9-7= 1-1= 9-4= 4-2= 4-0= 8-3= 3-3= 4-3= 4-0= 2-1= 8-7= 8-5=

1-1= 5-0= 7-4= 5-1= 4-1= 2-0= 7-2= 6-2= 6-2= 5-0= 4-1= 5-2= 5-5= 3-0= 7-5= 6-0= 4-2= 9-7= 2-2= 3-0=

6-3= 4-1= 3-1= 7-1= 3-1= 3-1= 6-3= 0-0= 7-0= 9-5= 5-3= 2-1= 9-4= 9-8= 3-0= 8-8= 4-1= 9-6= 2-1= 6-5=

6-5= 3-2= 4-1= 6-5= 9-4= 7-7= 8-6= 9-7= 6-3= 6-0= 6-2= 3-3= 6-6= 8-7= 6-1= 3-1= 7-1= 5-3= 3-0= 4-0=