文档介绍：6+8=
10+6=
14-6=
8+5=
6+8=
6+5=
11+1 =
17-2=
13-6=
40+3=
33-3=
9+2=
7+4=
5+5=
4+9=
9+5=
10+4=
6+10=
8+5=
7+2=
6+5=
6+8=
9+6=
3+6=
8+5=
7+9=
5+7=
4+7=
5+9=
9+4=
7+8=
4+9=
5+7=
7+7=
8+4=
11+2=
11+3=
11+4=
11+5=
17-3=
17- 4=
17-5=
17-6=
18-9=
11-7=
6+9=
( )+5=12
20+7=
60+4=
70+4=
30+6=
76-6=
17-7=
60+9=
5+80=
17-9=
12-9=
4=
12-8=
15-7=
15+5=
8+6=
11+6=
7=
8+60=
7+50=
13-6=
14-5=
15-6=
18-(
)=9
12+8=
11- 9=
4+8=
5+ (
)=14
7+ 9=
16-7=
2+ 17=
11-(
)=5
17-8=
18-1 =
17-8=
17-(
)=10
10-4=
14+6=
16-9=
14+ (
)=18
16-8=
14-7=
12+8=
(
)
+8=12
14-10=
8+8=
14-9=
(
)
-12=3
12+4=
12+5=
12+6=
12+7=
16-1 =
16-2=
16-3=
16-4=
43-3=
80+8=
49-9=
(
)
-2=30
46-6=
10+9=
37-7=
(
)-
■8=80
17+1 =
9+ 2=
9=
9+ 4=
12-9=
9+ 6=
9=
12+8=
7=
9=
90 + 8=
15-8=
16+3=
5+8=
( )+5=18
8+ 4=
7+ 5=
6+ 6=
5+ 6=
14 - 8=
12-7=
11-6=
13-5=
7+ 8=
7+ 7=
6+ 5=
5+ 7=
16 - 8=
15-7=
14 — 6=
11 - 5=
8+ 8=
7+ 6=
6+ 8=
5+ 8=
11 - 8=
13-7=
15-6=
12-5=
13+1 =
13+2=
13+3=
13+4=
18-8=
17-1 =
17-2=
17-3=
18 - 8=
43 - 3=
65 - 5=
72 - 2=
50 + 8=
7+ 40=
6 + 90=
5+ 90=
13-