趁两高手在,再请教两个题目...最要命的是我连题目都没看懂

１.Of the three-digit integers greater than 700,how many have two digits that are equal to each other and the remaining digit different from the other two?
a.90
b.82
c.80
d.45
e.35

2.If s and t are positie integers such that s/t=64.12,which of the following could be the remainder when s is divided by t?
a.2
b.4
c.8
d.20
e.45

thanks again

所有跟帖： 

• question 2 -bearsback- ♂ (64 bytes) () 12/06/2009 postreply 12:30:56

• 真厉害！看来多下几枚的围棋是有好处：） -not.me- ♀ (0 bytes) () 12/06/2009 postreply 15:39:27

• 围棋很重要。下到之后变成 -bearsback- ♂ (39 bytes) () 12/06/2009 postreply 15:53:01

• sweetie I am listening your canon now. -bearsback- ♂ (49 bytes) () 12/06/2009 postreply 17:46:12

• 回复：趁两高手在,再请教两个题目...最要命的是我连题目都没看懂 -任我为- ♂ (310 bytes) () 12/06/2009 postreply 12:31:05

• 这个看明白了,那remainder应该是什么意思呢,用数学的术语解释? -陶陶乐，乐陶陶- ♀ (0 bytes) () 12/06/2009 postreply 12:36:54

• 你把中国老祖宗都忘了 -bearsback- ♂ (297 bytes) () 12/06/2009 postreply 13:02:01

• 回复：你把中国老祖宗都忘了 -陶陶乐，乐陶陶- ♀ (53 bytes) () 12/06/2009 postreply 13:04:04

• http://en.wikipedia.org/wiki/Remainder -任我为- ♂ (0 bytes) () 12/06/2009 postreply 13:07:43

• See, I told you it is always useful to have put efforts in math. -念亲- ♀ (248 bytes) () 12/06/2009 postreply 14:30:35

• I am lying (or I am a liar) -bearsback- ♂ (113 bytes) () 12/06/2009 postreply 15:06:02

• haha I thought -bearsback- ♂ (24 bytes) () 12/06/2009 postreply 17:39:34

• I see. -念亲- ♀ (79 bytes) () 12/06/2009 postreply 19:57:43

• 真牛！这题目估计陈景润花乐庚都做不出来。 -not.me- ♀ (0 bytes) () 12/06/2009 postreply 15:35:16

• c for NO.1 -23731241- ♂ (0 bytes) () 12/06/2009 postreply 12:36:04

• 答案正确,要付中文解释,我没看懂题目 -陶陶乐，乐陶陶- ♀ (0 bytes) () 12/06/2009 postreply 12:40:46

• 回复：趁两高手在,再请教两个题目...最要命的是我连题目都没看懂 -任我为- ♂ (980 bytes) () 12/06/2009 postreply 13:06:56

• 非常清楚,谢谢 -陶陶乐，乐陶陶- ♀ (41 bytes) () 12/06/2009 postreply 13:10:42

• 老任是个好教授 -bearsback- ♂ (28 bytes) () 12/06/2009 postreply 14:13:08

• 回复：老任是个好教授 -not.me- ♀ (0 bytes) () 12/06/2009 postreply 15:24:15

• 连头发丝都数尽了,也没做出来.真后悔当年只开除热机没去下围棋。 -not.me- ♀ (0 bytes) () 12/06/2009 postreply 15:28:57

• 无语 -bearsback- ♂ (26 bytes) () 12/06/2009 postreply 16:00:33

• 你真聪明。我还是很迷糊。任老师是我们数学系的退休教授。 -not.me- ♀ (0 bytes) () 12/06/2009 postreply 15:31:14

• 原来如此,今天真幸运 -陶陶乐，乐陶陶- ♀ (0 bytes) () 12/06/2009 postreply 15:35:33

• 一点不错。任我为不光数学好，武功也好。好好拜山头学艺吧。 -not.me- ♀ (0 bytes) () 12/06/2009 postreply 15:42:29

• 那一定的... -陶陶乐，乐陶陶- ♀ (0 bytes) () 12/06/2009 postreply 15:59:15

• 也拜这位 NOT。ME 女侠 能学到不少东西 -23731241- ♂ (0 bytes) () 12/06/2009 postreply 16:01:22

• 其实,这里真正的高人是上面这为数字先生.你能看懂这写数字的玄机吗？ -not.me- ♀ (0 bytes) () 12/06/2009 postreply 16:14:34

• 看不懂,本来对数字就没天分... -陶陶乐，乐陶陶- ♀ (0 bytes) () 12/06/2009 postreply 16:21:57

• haha，俺不敢说，说了他会把我撕成碎片的：） -not.me- ♀ (0 bytes) () 12/06/2009 postreply 16:29:17

• 我探访多年楞没找到解。不怕，说吧，姐BACK UP你。 -念亲- ♀ (66 bytes) () 12/06/2009 postreply 19:05:00

• 我只开个头:饿-死俺-气-死俺-1-2-4-1后面４个自己想吧：） -not.me- ♀ (0 bytes) () 12/06/2009 postreply 19:17:44

• 密码，要骂就骂２姐吧，不怪我。haha -not.me- ♀ (0 bytes) () 12/06/2009 postreply 19:19:07

• 唉，你这个丫头片子... -念亲- ♀ (160 bytes) () 12/06/2009 postreply 19:43:01

• haha, ２姐说的更逗。我学一会儿去了。 -not.me- ♀ (0 bytes) () 12/06/2009 postreply 19:48:57

• 88 -念亲- ♀ (0 bytes) () 12/06/2009 postreply 19:54:14

• 真厉害！我想了７个小时，还是不会做。 -not.me- ♀ (0 bytes) () 12/06/2009 postreply 15:32:43