/scratch/scratch课程设计/S1-1 Scratch入门篇/第18课:生日贺卡/第18课 生日贺卡教学步骤/
China · Chinanet
SHA1: 76720aacd716c0e0b2889842645afa1e9c4458ad
SHA256: de16b78456b25cdd92d17b066cce6b2ae994bcc3f30cbd214f3ff67212953a5e
application/vnd.ms-powerpoint
1.01MB
2023-12-05 08:56:08 +0000 UTC
SHA1: 76720aacd716c0e0b2889842645afa1e9c4458ad
SHA256: de16b78456b25cdd92d17b066cce6b2ae994bcc3f30cbd214f3ff67212953a5e
application/vnd.ms-powerpoint
1.01MB
2023-03-16 14:03:01 +0000 UTC
/scratch/scratch课程设计/S1-1 Scratch入门篇/第18课:生日贺卡/第18课 生日贺卡教学步骤/
China · Chinanet
SHA1: 76720aacd716c0e0b2889842645afa1e9c4458ad
SHA256: de16b78456b25cdd92d17b066cce6b2ae994bcc3f30cbd214f3ff67212953a5e
application/vnd.ms-powerpoint
1.01MB
2023-12-05 08:56:08 +0000 UTC