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読上算7～16桁10口加減算（30秒前半）北海道バージョン
1. 30___ ___
00:00 / 00:49
2 .30___ ___
00:00 / 00:50
3 .30___ ___
00:00 / 00:46
4 .30___ ___
00:00 / 00:49
5 .30___ ___
00:00 / 00:52
6.31
00:00 / 00:45
7.32
00:00 / 00:46
8.32
00:00 / 00:44
9.33
00:00 / 00:47
10.31
00:00 / 00:45
11.30
00:00 / 00:43
12.33
00:00 / 00:46
13.33___
00:00 / 00:47
14.32
00:00 / 00:45
15.31
00:00 / 00:46
16.31
00:00 / 00:46
17.30
00:00 / 00:44
18.33
00:00 / 00:49
19. 33
00:00 / 00:49
20.31
00:00 / 00:46
21.33
00:00 / 00:48
22.31
00:00 / 00:49
23.33
00:00 / 00:46
24.33
00:00 / 00:48
25.33
00:00 / 00:47
26.33
00:00 / 00:50
27.30
00:00 / 00:46
28.30
00:00 / 00:45
29.33
00:00 / 00:49
30.32
00:00 / 00:48
31.33
00:00 / 00:49
32.33
00:00 / 00:50
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