1題有向數~~~~~急!!!!最好列式

2008-09-15 7:45 pm

-3-{-3-[-3-(-3)]}

最好列式 thz''

回答 (4)

2008-09-20 12:36 am

✔ 最佳答案

-3-{-3-[-3-(-3)]}
=-3-[-3-(-3+3)]
=-3-[-3-(0)]
=-3-(-3-0)
=-3-(-3)
=-3+3
=0
大約是這樣吧，若有其他問題，可用ｅｍａｉｌ　ｏｒ　ｍｓｎ找我：ｒｏｙｍｏｗ＠ｙａｈｏｏ．ｃｏｍ．ｈｋ
希望幫到你吧＾＾

參考: 自己

👍 0 👎 0

2008-09-19 8:00 pm

你用我呢個最簡短既方法啦=]
3-{-3-[-3-(-3)]}
=3-(-3+3+3)
=3-3
=0

👍 0 👎 0

2008-09-17 12:28 am

-3-{-3-[-3-(-3)]}

= -3-{-3-[-3+3]}

= -3-{-3-[0]}

= -3-{-3}

= -3+3

= 0

參考: myself

👍 0 👎 0

2008-09-16 1:13 am

-3-{-3-[-3-(-3)]}

=-3-[-3-(-3+3)]

=-3-[-3-(+3)-(-3)]

=-3-(-3-3+3)

=-3-(-6+3)

=(-3)-(-6)-(+3)

=-3+6-3

=0

👍 0 👎 0