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