文档介绍：6+8=
9+2=
7+4=
5+5=
4+9=
10+6=
9+5=
10+4=
6+10=
8+5=
14-6=
7+2=
6+5=
6+8=
9+6=
8+5=
3+6=
8+5=
7+9=
5+
57-7=
78-8=
68-8=
1+70=
8+90=
80=9=
9 + 4=
7+8=
7 + 7=
6 + 5=
5 + 7=
12-9=
16 — 8=
15-7=
14 — 6=
11-5=
9 + 6=
8+8=
7 + 6=
6 + 8=
5+8=
16-9=
11-8=
13-7=
15-6=
12-5=
9 + 8=
5+8=
7 + 4=
6+9=
5 + 9=
13-9=
13-8=
14-7=
12-6=
14-5=
9 + 3=
9+8=
7 + 8=
6 + 7=
4 + 9=
11+7=
11+8=
11+9=
12+1 =
12+3=
12-1 =
12-2=
11-1 =
16-0=
17-0=
90 + 3=
9 + 80=
7 + 80=
6 + 70=
4+90=
51 -1 =
59-9=
76-6=
93-3=
15-5=
6+9=
3+9=
5+9=
17-9=
18-9=
11-9=
13-9=
15-9=
19-9=
12-9=
14-9=
16-9=
20-9=
35+3=
42+6=
52+4=
35+5=
67+3=
34+6=
56+4=
3+26=
4+34=
48+20=
39+50=
20+47=
30+59=
60+5=
4+70=
33+26=
54+31=
45+9=
34+9=
61+9=
9+83=
9+28=
89-60=
72-30=
95-25=
64-30=
94-4=
34-9=
43-9=
52-9=
69-9=
70-9=
94-9=
75-9=
26-9=
19-9=
68-9=
8+8=
8+6=
8+4=
8+3=
8+5=
7+8=
2+8=
8+9=
17-8=
18-8=
11-8=
13-8=
15-8=
19-8=
12-8=
14-8=
16-8=
20-8=
36+2=
52+7=
36+4=
75+5=
87+3=
24+6=
36+4=
3+66=
5+39=
46+20=
53+30=
20+67=
30+49=
80+5=
6+70=
31+27=
24+53=
37+8=
45+8=
62+8=
8+56=
8+39=
69-60=
52-30=
73-23=
94-50=
59-9=
34-8=
43-8=
52-8=
69-8=
70-8=
94-8=
75-8=
26-8=
19-8=
68-8=
7+8=
7+6=
7+4=
7+3=
7+5=
7+9=
2+7=
8+7=
17-7=
18-7=
11-7=