721=315*?

2008-02-04 6:50 am
721=315*?
thx~!

回答 (9)

2008-02-04 8:27 am
✔ 最佳答案
721=315*
log721=*log315
log721 / log315 =*
* =1.143947161
參考: myself
2008-02-06 2:21 am
721=315*?
721/315=?
=?
?=2.888888888888888888888888888888889


721=315*2 又91/315(2.888888888888888888888888888888889)
參考: me
2008-02-05 6:04 am
721=315*?
721/315=2.28888889
2008-02-05 2:28 am
721=315*
351/721
0.43689320388349514563106796116505
2008-02-04 8:50 am
721=315*x

x = [(721/7) / (315/7)]

x = 103/45

2008-02-04 00:53:07 補充:
First, you should write out all the factors for 721 and 315factors for 721 are 1, 7, 103factors for 315 are 1, 3, 5, 7
2008-02-04 8:26 am
721=315*?
?=721/315
?=約2.288889(小數) or 2又315分之91, 2 91/315(分數)
2008-02-04 7:29 am
721=315* 721/315
參考: I am the King of Science
2008-02-04 6:56 am
1.143947
2008-02-04 6:53 am
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