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Transcript
PowerPoint
2019
1
6
7
8
30%
40%
20% 20% 20% 20% 20%
25% 25% 25% 25%
13
( )
20%
20%
20%
30%
(1 2 3 )30%
, 40%
1
17
1 2 3 30%
40%
30%
30%
71+ 31(
10%
15%
30%
50%
20%
20%
20%
30%
30%
40%
30%
30%
40%
30%
10%
15%
8
9
2~
26
108
1
2
100
mp3mp4 5MB
mp3mp4 5MB
2019
1
6
7
8
30%
40%
20% 20% 20% 20% 20%
25% 25% 25% 25%
13
( )
20%
20%
20%
30%
(1 2 3 )30%
, 40%
1
17
1 2 3 30%
40%
30%
30%
71+ 31(
10%
15%
30%
50%
20%
20%
20%
30%
30%
40%
30%
30%
40%
30%
10%
15%
8
9
2~
26
108
1
2
100
mp3mp4 5MB
mp3mp4 5MB
