maths probability 2 (10m)

👨🏻‍🏫 學術台數學

2011-01-23 7:25 am

Please help me.

The link:
http://www.sendspace.com/file/ysqfzr

thank you for your help. please shows steps.

回答 (1)

2011-01-23 8:16 am

✔ 最佳答案

http://img709.imageshack.us/img709/1236/83511355.png

圖片參考：http://img709.imageshack.us/img709/1236/83511355.png

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