15ab/4 times 8/9a^2b^2?
回答 (5)
2008-07-07 4:45 pm
✔ 最佳答案
10a r. 8banswer mine:
http://answers.yahoo.com/question/index;_ylt=Ag6KDjUjHK1gi_fC8z_Bijfsy6IX;_ylv=3?qid=20080707013415AAZFabj
2008-07-07 4:44 pm
(15ab/4)(8/9a^2b^2)
= (15ab * 8)/(4 * 9a^2b^2)
= (120ab)/(36a^2b^2)
= (120/36)(ab/a^2b^2)
= (10/3)(1/ab)
= 10/3ab
= (15ab * 8)/(4 * 9a^2b^2)
= (120ab)/(36a^2b^2)
= (120/36)(ab/a^2b^2)
= (10/3)(1/ab)
= 10/3ab
2008-07-07 6:32 pm
(15) a b (8)
-------------------
(4) (9) a² b²
30
------
9 a b
10
------
3 a b
-------------------
(4) (9) a² b²
30
------
9 a b
10
------
3 a b
2008-07-07 4:58 pm
10/3ab
2008-07-07 4:43 pm
10/3ab
收錄日期: 2021-05-01 10:47:34
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080707083731AAN1eWg