1+2=
3+2= 9-3= 6-4= 9-4= 9-5= 5-3= 4+4= 3-3= 4-1= 3+2= 9-3= 3+1= 6-4= 9-4= 9-5=
5-3=
3+4= 8-3= 9-2= 8+1= 3+3= 0+8= 5-1= 1+5= 9-3= 3+4= 8-3= 6:________ 时间:________
9-6+5=
9-5-2=
1+1+2=
1+1+1=
6+3+1=
10-3-5=
2-1+1=
6+1+1=
3+5+1=
9-3-4=
3+3-3=
1+2+3=
9-3-4=
2+2-1=
1+3+4=
1+4+5=
2+1+7=
2+3+5=
9-3+2=
8-5+4=
9-4-5 = 8-3+2 =
0+8= 7-2= 5+2= 2+7= 1+2= 6-5= 6+0= 8+1= 1+5= 2+1= 2+6= 3+3= 4+1= 4+6=
3+1= 6-4= 9-4= 9-5= 5-3= 4+4= 3-3= 4-1= 1+6= 2+2= 2+7= 3+4= 4+2= 7-1=
6+1= 9-2= 8+1= 3+3= 0+8= 5-1= 1+5= 9-3=
4+4=
5-1=
1+9=
3-3=
1+5= 10-5=