I am a number less than 3,000. When you divied me by 32, my remainder is 30.When you divide me by 58,my remainder is 44. What number am I?
俺所想到的就是 x*32+30=y*58+44
可是找不了另外一个方程,难道要一个数字一个数字去试?
在线等:有数学高手请看下此题如何解?
所有跟帖:
• 回复:在线等:有数学高手请看下此题如何解? -BeLe- ♀ (126 bytes) () 04/16/2014 postreply 18:57:19
• 高手就是高手。我是高山仰止! -风轻云淡水一方- ♀ (0 bytes) () 04/16/2014 postreply 19:09:30
• As a rule, one solution produces all the other solutions -BeLe- ♀ (61 bytes) () 04/16/2014 postreply 19:20:54
• 请教为何从15试起? -ttmum- ♀ (189 bytes) () 04/16/2014 postreply 19:23:06
• Every 16 consecutive intergers contains a y solution -BeLe- ♀ (110 bytes) () 04/16/2014 postreply 19:28:05
• 明白了,多谢。 -ttmum- ♀ (78 bytes) () 04/16/2014 postreply 19:35:13
• 1726 -calligraphy- ♂ (0 bytes) () 04/16/2014 postreply 19:16:54
• 谢谢高手!能人! -风轻云淡水一方- ♀ (0 bytes) () 04/16/2014 postreply 19:20:41
• 回复:1726 -calligraphy- ♂ (625 bytes) () 04/16/2014 postreply 19:32:12
• substitute q = 0, and 2 we have two more. -calligraphy- ♂ (0 bytes) () 04/16/2014 postreply 19:35:19
• 大谢如此详细的解释! -风轻云淡水一方- ♀ (0 bytes) () 04/16/2014 postreply 19:36:46
• 三个解:798,1726,2654, 相差928(32,58 的最小公倍数) -Lily3- ♀ (0 bytes) () 04/16/2014 postreply 19:18:59
• 谢谢!百合秀外慧中给了答案大全!怎么能知道Y是个奇数呢? -风轻云淡水一方- ♀ (0 bytes) () 04/16/2014 postreply 19:26:29
• 回复:谢谢!百合秀外慧中给了答案大全!怎么能知道Y是个奇数呢? -Lily3- ♀ (92 bytes) () 04/16/2014 postreply 19:34:09
• 终于明白了! -风轻云淡水一方- ♀ (0 bytes) () 04/16/2014 postreply 19:40:25
• 因為x的整數解會讓等號左邊為偶數 -violinpiano- ♂ (73 bytes) () 04/16/2014 postreply 19:34:21
• 谢谢指导!想通了。 -风轻云淡水一方- ♀ (0 bytes) () 04/16/2014 postreply 19:40:54
• 用简单小学算术的方法一步一步做:(通用方法) --古谜-- ♂ (10673 bytes) () 04/16/2014 postreply 21:31:58
• 勤奋的老师!谢谢您!对公校5年级的孩子来说,有点难了。 -风轻云淡水一方- ♀ (0 bytes) () 04/16/2014 postreply 22:08:22
• 我费了半天劲儿,总算大概让女儿明白了。再次感谢各位高手和老师。 -风轻云淡水一方- ♀ (0 bytes) () 04/16/2014 postreply 22:11:47
• 看是否可以这样考虑一下 -就是想上学- ♂ (435 bytes) () 04/17/2014 postreply 01:40:37
• 回复:看是否可以这样考虑一下 -就是想上学- ♂ (350 bytes) () 04/17/2014 postreply 01:52:07
• 谢谢!好解法! -风轻云淡水一方- ♀ (0 bytes) () 04/17/2014 postreply 09:21:00
• this is a good one: ) -ttmum- ♀ (40 bytes) () 04/17/2014 postreply 20:41:17
• 回复:this is a good one: ) -就是想上学- ♂ (53 bytes) () 04/17/2014 postreply 20:57:59
• Thanks, what I actually ask is why you skip from 4 to 20? -ttmum- ♀ (52 bytes) () 04/17/2014 postreply 21:48:05
• step by step,easily understood by kids -shuangbangma- ♀ (803 bytes) () 04/17/2014 postreply 07:57:27
• 晚上回来和孩子一起学习!谢谢老师! -风轻云淡水一方- ♀ (0 bytes) () 04/17/2014 postreply 09:24:20
• 我的一个初级解法 -GreatDay- ♀ (47765 bytes) () 04/17/2014 postreply 10:18:56
• this is also a good one; ) -ttmum- ♀ (102 bytes) () 04/17/2014 postreply 21:31:25