|||
|
北京
|
上海
|
广州
|
课本1
|
100
|
200
|
245
|
课本2
|
11
|
9
|
30
|
课本3
|
20
|
30
|
70
|
课本4
|
50
|
40
|
90
|
课本5
|
60
|
70
|
50
|
课本6
|
20
|
15
|
16
|
课本7
|
7
|
9
|
10
|
课本8
|
5
|
10
|
20
|
课本9
|
30
|
40
|
50
|
课本10
|
80
|
60
|
70
|
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