/scratch/scratch课程设计/S1-1 Scratch入门篇/第17课 :炫彩烟花/第17课 炫彩烟花教学步骤/
China · Chinanet
SHA1: 3587be83392be723d596dababb12efb703444110
SHA256: 795387ee42fdb28237898b69abde78e705752429318a8d19e2e83b8e8b49506f
application/vnd.ms-powerpoint
1.02MB
2023-12-05 08:55:02 +0000 UTC
SHA1: 3587be83392be723d596dababb12efb703444110
SHA256: 795387ee42fdb28237898b69abde78e705752429318a8d19e2e83b8e8b49506f
application/vnd.ms-powerpoint
1.02MB
2023-03-16 13:12:03 +0000 UTC
/scratch/scratch课程设计/S1-1 Scratch入门篇/第17课 :炫彩烟花/第17课 炫彩烟花教学步骤/
China · Chinanet
SHA1: 3587be83392be723d596dababb12efb703444110
SHA256: 795387ee42fdb28237898b69abde78e705752429318a8d19e2e83b8e8b49506f
application/vnd.ms-powerpoint
1.02MB
2023-12-05 08:55:02 +0000 UTC