文档介绍：8 + 4 =
15-7 =
14-8 =
5 + 7 =
8 + 7 =
14-6 =
69-36=
5 + 8 =
63+22=
47-23=
30+5=
7 + 4 =
13-6 =
16-9 =
14-6 =
58-32=
13-9 =
90-30=
9 + 6 =
11-9 =
11-5 =
45-25=
18-9 =
13 - 8 + 6 =
( )-9 = 4
69-43=
11-9 =
11-6 =
3+7+6=
18 -( )= 14
9 + 5 =
7 + 6 =
12-9 =
6+8+4=
( )+ 9 = 18
72+6=
55+30=
9 + 7 =
15 - 8 + 9 =
( )-6 = 8
13-5 =
8 + 7 =
16-7 =
3+8+8=
2 +( )= 11
32+66=
17-9 =
11-2 =
12-6 + 2 =
( )-12 = 0
7 + 8 =
25+33=
5 + 6 =
4+5+2=
9 +( )= 13
14-8 =
6 + 6 =
15-9 =
10 - 5 + 4 =
( )-8 = 8
69-47=
16-8 =
5+34=
14-9 =
8 +( )= 17
9 + 9 =
34+43=
7 + 9 =
6 - 5 + 14 =
6 +( )= 11
53-32=
9 + 4 =
15-6 =
4+9-7=
18 -( )= 12
14-9 =
4 + 8 =
6 + 7 =
13 - 7 - 4 =
6 +( )= 15
35+53=
17-8 =
2 + 9 =
14 - 7 + 5 =
( )-7 = 12
4 + 9 =
71+21=
44+50=
11-7 + 6 =
( )+9 = 13
11-6 =
8 + 9 =
16-7 =
10+5—2=
14 -( )= 7
6+32=
15-9 =
44-40=
12- 3 + 4 =
( )+9 = 11
15-7 =
9 + 5 =
14-8 =
19-9 + 7 =
17-( )=9
3 + 9 =
55+23=
68-63=
9+6-7=
()-7 = 7
96-36=
15-8 =
9 + 8 =
11 - 8 + 4 =
( )+9 = 13
17-9 =
8 + 8 =
26+32=
6+8-9=
()-8 = 5
11-4 =
13-4 =
76+23=
13-5 =
10+10=
5+43=
65+3=
12-5 =
16 -
8 =
12-9=
14-6 =
78-77=
7 + 9 =
6 + 7 =
10-8=
36+23=
7 + 7 =
14-9 =
11 -
7 =
9+2=
9 + 8 =
44+24=
25+34=
(
)-8 =41
15 - 3 + 4 =
45-32=
8 + 6 =
12-8 =
9+(
)=18
10 + 5 - 6 =
11-8 =
13-5 =
41+36=
(
)-3 = 8
18 - 6 - 5 =
8 + 5 =
16-8 =
8 + 7 =
12 -(
)=3
11 - 6 + 8 =
36+33=
6 + 7 =
82-21=
(
)+ 9 = 11
7+6-5=
12-4 =
99-64=
25+63=
(
)+ 8 = 12
11 - 8 - 2 =
16-7 =
8 + 9 =
15-7 =
(
)-6 = 22
7+6+6=
72-11=
88-48=
9 + 4 =
6+(
)=11
6-3+9=
11-6 =
13-8 =
94-44=
(
)+ 9 = 14
4+4+5=
60+20=
4 + 7 =
9 + 4 =
11 (
)=9
19-4-1 =
9 + 6 =
69-37=
4 + 8 =
(
)-9 = 9
17 - 6 + 5 =
13-9 =
8 + 7 =
6+33=
(
)+ 8 = 11
9+7-1=
9 + 9 =
57+20=
7 + 5 =
17 -(
)=9
12 + 4 - 3 =
50+27=
12-3 =
54+32=
(
)-6 = 8
12 - 3 - 6 =
14-9 =
40+36=
15-9 =
(
)-9 = 7