2)a^2(分線)2a+1- a
3)1(分線)y-5 - 2(分線)3y
4)2a(分線)a+4 - a(分線)a-4
5)1(分線)2x-5 - 2(分線)3x+1
更新1:
化簡~
中二數~(詳細解答)
2007-12-01 3:40 am
1)1-u+v(分線)u-v
2)a^2(分線)2a+1- a
3)1(分線)y-5 - 2(分線)3y
4)2a(分線)a+4 - a(分線)a-4
5)1(分線)2x-5 - 2(分線)3x+1
2)a^2(分線)2a+1- a
3)1(分線)y-5 - 2(分線)3y
4)2a(分線)a+4 - a(分線)a-4
5)1(分線)2x-5 - 2(分線)3x+1
回答 (2)
2007-12-01 4:01 am
✔ 最佳答案
can you present the equations more clearly? for example, does question 1 mean:1) 1- (u+v)/(u-v)
= [(u-v)-(u+v)]/(u-v)
=[u-v-u-v]/(u-v)
= -2v/(u-v)
2007-12-01 5:25 am
又唔落()
點知你係1-一個分數定係1-就已經係分子
點知你係1-一個分數定係1-就已經係分子
收錄日期: 2021-04-23 17:32:34
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https://hk.answers.yahoo.com/question/index?qid=20071130000051KK02596