文档介绍：6+9=
6+8=
13-7=
13-8=
5+8=
17-5=
7+4=
4+6=
7+3=
3+7=
8+3=
9+9=
6+6=
6+8=
17-6=
8+7=
9+5=
9+6=
19-8=
4+7=
7+9=
2+8=
8+5=
6+3=
8+8=
6+9=
9+5=
12-9=
5+8=
14-6=
8+6=
9-3=
14-9=
5+7=
7+14=
8+3=
17-6=
4+7=
8+2=
5+7=
4+7=
7+9=
4+7=
5+6=
9+4=
15-8=
3+9=
6+8=
6+8=
6+9=
12-8=
9+2=
9+7=
8+4=
5+8
7+4=
7+8=
9+8=
3+5=
5+5=
9+8=
8+5=
13-6=
4+9=
4+6=
9+11 =
6+9=
10+6=
5+3=
16-7=
9+5=
9+5=
10+4=
6+5=
15-6=
10-4 =
6+10=
4+9=
18- 9=
14+6 =
8+5=
5+7=
12-9=
16-9=
14-6=
7+7=
12+8=
14+8=
7+2=
8+4=
11-9=
15+5=
6+5=
5+3=
4+8=
16-8=
6+8=
2+7=
5+14=
14-7 =
9+6=
6+4=
6-4=
12+8 =
8+5=
7+4=
7+9=
12+8=
3+6=
3+6=
16-7=
8+6=
8+5=
13-6=
2+17=
14-10 =
7+9=
18-9=
11-5=
8+8=
5+7=
11-7=
12+8=
14-9=
6+8=
6+9=
17-8=
23-12=
4+7=
12+5=
18-1 =
7+5=
5+9=
17-9=
17-8=
14-4=
9+4=
13-6=
17-10=
11+9 =
7+8=
14-5 =
15-7=
11-6=
25-8=
7 + 7=
9+8=
13-6=
17+1 =
6+5=
5+8=
15-5=
23-8=
5+7=
7+4=
14-9=
16+3=
12-9=
6+9=
15-8=
5+8=
16-8=
5+9=
17-10=
18+5=
15-7=
13-9=
12-3=
9+2=
14-6=
13-8=
11-4=
8+4=
11-5=
14-7=
11-3=
7+5=
9+6=
12-6=
12-4=
6 + 6=
8+8=
14-5=
13-4=
5 + 6=
7+6=
9+3=
11-2=
15-9=
6+8=
9+8=
14-10=
14-8=
5+8=
7+8=
4+8=
12-7=
16-9=
6 + 7=
5 + 7=
11-6=
11-8=
4+9=
2+9=
13-5=
13-7=
11-9=
7+5=
9+4=
15-6=
12-8=
8+6=
7+8=