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整理和复习
12
－
9
＝
15
－
6
＝
17
－
8
＝
11
－
5
＝
14
－
7
＝
11
－
3
＝
13
－
6
＝
18
－
9
＝
16
－
8
＝
13
－
4
＝
17
－
9
＝
11
－
2
＝
3
9
9
6
7
8
7
9
8
9
8
9
11-8
11-7
11-6
11-5
11-4
11-3
11-2
11-9
12-9
13-9
14-9
15-9
16-9
17-9
18-9
晶晶
11-8
11-7
11-6
11-5
11-4
11-3
11-2
12-8
12-7
12-6
12-5
12-4
12-3
13-8
13-7
13-6
13-5
13-4
14-8
14-7
14-6
14-5
15-8
15-7
15-6
16-8
16-7
17-8
11-9
12-9
13-9
14-9
15-9
16-9
17-9
18-9
晶晶
11-
8
11-
7
11-
6
11-
5
11-
4
11-
3
11-
2
12-
8
12-
7
12-
6
12-
5
12-
4
12-
3
13-
8
13-
7
13-
6
13-
5
13-
4
14-
8
14-
7
14-
6
14-
5
15-
8
15-
7
15-
6
16-
8
16-
7
17-
8
11-
9
12-
9
13-
9
14-
9
15-
9
16-
9
17-
9
18-
9
=2
=3
=4
=5
=6
=7
=8
=9
竖着看
11-8
11-7
11-6
11-5
11-4
11-3
11-2
12-8
12-7
12-6
12-5
12-4
12-3
13-8
13-7
13-6
13-5
13-4
14-8
14-7
14-6
14-5
15-8
15-7
15-6
16-8
16-7
17-8
11-9
12-9
13-9
14-9
15-9
16-9
17-9
18-9
晶晶
11
-8
1
1-7
11
-6
11
-5
1
1-4
11
-3
11
-2
12-8
12-7
12-6
12-5
12-4
12-3
13-8
13-7
13-6
13-5
13-4
14-8
14-7
14-6
14-5
15-8
15-7
15-6
16-8
16-7
17-8
11
-9
12-9
13-9
14-9
15-9
16-9
17-9
18-9
11
-8
11
-7
11
-6
11
-5
11
-4
11
-3
11
-2
12
-8
12
-7
12
-6
12
-5
12
-4
12
-3
13
-8
13
-7
13
-6
13
-5
13
-4
14
-8
14
-7
14
-6
14
-5
15
-8
15
-7
15
-6
16
-8
16
-7
17
-8
11
-9
12
-9
13
-9
14
-9
15
-9
16
-9
17
-9
18
-9
晶晶
11-8
11-7
11-6
11-5
11-4
11-3
11-2
12-8
12-7
12-6
12-5
12-4
12-3
13-8
13-7
13-6
13-5
13-4
14-8
14-7
14-6
14-5
15-8
15-7
15-6
16-8
16-7
17-8
11-9
12-9
13-9
14-9
15-9
16-9
17-9
18-9
晶晶
11-8
11-7
11-6
11-5
11-4
11-3
11-2
12-8
12-7
12-6
12-5
12-4
12-3
13-8
13-7
13-6
13-5
13-4
14-8
14-7
14-6
14-5
15-8
15-7
15-6
16-8
16-7
17-8
11-9
12-9
13-9
14-9
15-9
16-9
17-9
18-9
晶晶
11-8
11-7
11-6
11-5
11-4
11-3
11-2
12-8
12-7
12-6
12-5
12-4
12-3
13-8
13-7
13-6
13-5
13-4
14-8
14-7
14-6
14-5
15-8
15-7
15-6
16-8
16-7
17-8
11-9
12-9
13-9
14-9
15-9
16-9
17-9
18-9
晶晶
11-8
11-7
11-6
11-5
11-4
11-3
11-2
12-8
12-7
12-6
12-5
12-4
12-3
13-8
13-7
13-6
13-5
13-4
14-8
14-7
14-6
14-5
15-8
15-7
15-6
16-8
16-7
17-8
11-9
12-9
13-9
14-9
15-9
16-9
17-9
18-9
晶晶
11-8
11-7
11-6
11-5
11-4
11-3
11-2
12-8
12-7
12-6
12-5
12-4
12-3
13-8
13-7
13-6
13-5
13-4
14-8
14-7
14-6
14-5
15-8
15-7
15-6
16-8
16-7
17-8
11-9
12-9
13-9
14-9
15-9
16-9
17-9
18-9
晶晶
11-8
11-7
11-6
11-5
11-4
11-3
11-2
12-8
12-7
12-6
12-5
12-4
12-3
13-8
13-7
13-6
13-5
13-4
14-8
14-7
14-6
14-5
15-8
15-7
15-6
16-8
16-7
17-8
11-9
12-9
13-9
14-9
15-9
16-9
17-9
18-9
晶晶
11-8
11-7
11-6
11-5
11-4
11-3
11-2
12-8
12-7
12-6
12-5
12-4
12-3
13-8
13-7
13-6
13-5
13-4
14-8
14-7
14-6
14-5
15-8
15-7
15-6
16-8
16-7
17-8
11-9
12-9
13-9
14-9
15-9
16-9
17-9
18-9
晶晶
11-8
11-7
11-6
11-5
11-4
11-3
11-2
12-8
12-7
12-6
12-5
12-4
12-3
13-8
13-7
13-6
13-5
13-4
14-8
14-7
14-6
14-5
15-8
15-7
15-6
16-8
16-7
17-8
11-9
12-9
13-9
14-9
15-9
16-9
17-9
18-9
晶晶
11-8
11-7
11-6
11-5
11-4
11-3
11-2
12-8
12-7
12-6
12-5
12-4
12-3
13-8
13-7
13-6
13-5
13-4
14-8
14-7
14-6
14-5
15-8
15-7
15-6
16-8
16-7
17-8
11-9
12-9
13-9
14-9
15-9
16-9
17-9
18-9
作业评比
小林
小丽
小东
小丽得了
12
朵
小丽比小林多得了几朵？
12-9=3
（朵）
答：小丽比小林多得了
3
朵
13
－
6 7
人
14 - 8 6
只
谢 谢
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