/scratch/scratch课程设计/S1-1 Scratch入门篇/第21课:交响音乐会/第21课:交响音乐会教学步骤/
China · Chinanet
SHA1: d574625e8bd4881374e2c22545898d5f557115b0
SHA256: dc3e4a8b4d9f98b6272f4aafc81bdaeac1fb71c69fe9aed3c39a0283a84a7225
application/vnd.ms-powerpoint
2.01MB
2023-12-05 09:01:00 +0000 UTC
SHA1: d574625e8bd4881374e2c22545898d5f557115b0
SHA256: dc3e4a8b4d9f98b6272f4aafc81bdaeac1fb71c69fe9aed3c39a0283a84a7225
application/vnd.ms-powerpoint
2.01MB
2023-03-16 16:30:39 +0000 UTC
/scratch/scratch课程设计/S1-1 Scratch入门篇/第21课:交响音乐会/第21课:交响音乐会教学步骤/
China · Chinanet
SHA1: d574625e8bd4881374e2c22545898d5f557115b0
SHA256: dc3e4a8b4d9f98b6272f4aafc81bdaeac1fb71c69fe9aed3c39a0283a84a7225
application/vnd.ms-powerpoint
2.01MB
2023-12-05 09:01:00 +0000 UTC