有d數唔識計呀~都唔知點做~希望大家今晚之內可以覆到我！thxs~
1)4a^6 x 5a^3
2)3a^4 x 2a^2 b
3)(6a^3)^2
4)16p^3 x 6p^2
5)7ab^3 除5a^4b^5 x 25a^2 b^2
6)b^n x b^(2n-2)
7)b^n x b^(4n-2) 除b^(3n-2)
8)(7n^4)^2n x (5n^2)^3n
9)18r^n s^2n x 6r^3n s^2n 除(rs)^2n
10)4p^n q^n x 2p^3n q^2n 除(2pq)^3n
好似好多咁~不過真係想大家幫幫忙呀~thxs
勁急~希望大家協助~thanks
2007-09-22 2:40 am
回答 (2)
2007-09-22 2:56 am
✔ 最佳答案
1. 20a^92. 6a^6b
3. 6a^6
4. 96p^5
5. 7 除 125a^5 b^4
6. b^(3n-2)
7. b^2n
8. 7^2n X 5^3n X n^14n
9. 108(rs)^2n
10. 8p^n 除 2^3n
參考: me
2007-09-22 2:52 am
1.4a^6 x 5a^3
=20a^9
2.3a^4 x 2a^2 b
=12a^6b
3.(6a^3)^2
=6a^6
4.16p^3 x 6p^2
=96p^5
其餘o個D唔知你up咩~~
希望幫到你~~ ^6^
=20a^9
2.3a^4 x 2a^2 b
=12a^6b
3.(6a^3)^2
=6a^6
4.16p^3 x 6p^2
=96p^5
其餘o個D唔知你up咩~~
希望幫到你~~ ^6^
收錄日期: 2021-04-27 12:02:20
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070921000051KK02572