文档介绍:2+6=
9-7=
3+2=
3+4=
5+4=
3+5=
7+1=
9-3=
8-3=
5-4=
8-2=
0+8=
3+1=
6+1=
7+3=
10-2=
7-2=
6-4=
9-2=
10-9=
5+5=
5+2=
9-4=
8+1=
10-1=
4+6=
2+7=
9-5=
3+3=
10-3=
10-4=
8+2=
5-3=
6+3=
10-7=
1+5=
6-5=
4+4=
5-1=
1+9=
8-4=
10-5=
3-3=
1+6=
10-6=
10-8=
7+1=
4-1=
9-6=
3+5=
2+6=
9-8=
5+2=
7-3=
7-4=
8-5=
8-7=
9-1=
8-6=
7-5=
8-1=
7-6=
2+2=
6-1=
6-3=
2+6=
9-7=
3+2=
3+4=
5+4=
3+5=
7+1=
9-3=
8-3=
5-4=
8-2=
0+8=
3+1=
6+1=
7+3=
10-2=
7-2=
6-4=
9-2=
10-9=
5+5=
5+2=
9-4=
8+1=
10-1=
4+6=
2+7=
9-5=
3+3=
10-3=
10-4=
8+2=
5-3=
6+3=
10-7=
1+5=
6-5=
4+4=
5-1=
1+9=
8-4=
10-5=
3-3=
1+6=
10-6=
10-8=
7+1=
4-1=
9-6=
3+5=
2+6=
9-8=
5+2=
7-3=
7-4=
8-5=
8-7=
9-1=
8-6=
7-5=
8-1=
7-6=
2+2=
6-1=
6-3=
2+6=
9-7=
3+2=
3+4=
5+4=
3+5=
7+