4除0 & 0除4的問題

2006-10-19 2:47 am
為甚麼0除4等於0,但4除0就沒有答案?

緊急!

回答 (3)

2006-10-19 2:54 am
Because 0÷4 is meaningless and undefined.
Just like if you divide 4 pieces of cakes to 0 person, then no person will get anything, but there is 4 pieces of cake really.
Besides, if you have no cake and you need to divide to 4 person, it is meaningless.
2006-10-19 2:54 am
一、0/4=0
二、4/0=ERROR
因為N/0在數學上是沒有義意的
參考: MY TEACHER
2006-10-19 2:51 am
設a=4/0
則0a=4
0=4
這不成立,所以4除0就沒有答案 (undifined)。

2006-10-21 17:02:50 補充:
唔公平﹗抄我答案,但被獲選最佳回答﹗
參考: Knowledge


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