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