a) (8－y)
￣ ￣￣￣ 呢條係來咪要將負号上下乘入去??
﹝4﹞
b) 8–y
￣ ￣￣ 咁呢題個負号又應該是乘上or下???
4
我搞唔清呢類分數,唔該教下我???
小學數學一問
2008-02-16 6:29 pm
回答 (4)
2008-02-16 6:53 pm
✔ 最佳答案
兩題都係一樣乘上乘下都無問題
不過習慣上是乘上去
就會變成
-(8-y)/4
=(y-8)/4
這就變得好睇落靚D
2008-02-27 5:43 am
good!
2008-02-16 7:31 pm
三題都，可以乘上or下
but不可上下都乘
or become positive number.
2008-02-18 18:57:53 補充：
yes you are right
but不可上下都乘
or become positive number.
2008-02-18 18:57:53 補充：
yes you are right
2008-02-16 6:39 pm
你乘上乘下都係一樣ga....
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