←
Back
🏠
Home
抽屉中有2颗红珠子、4颗蓝珠子、6颗绿珠子,如果闭上眼睛摸一摸,必须摸几颗珠子才能保证至少有1颗绿珠子?
Loading Player...
📋
Info
💬
AI Explanation
📝
Subtitles
Downloads
⬇️ Download Video (MP4)
Cover URL
https://jieti11.oss-cn-hangzhou.aliyuncs.com/video/cover/568734617322278913.png
Copy