题库搜索>问题求解PS-15590
建议使用官方纸质指南，查看对照完整题目
【OG20-P161-101题】
If m and p are positive integers and m2 + p2 < 100, what is the greatest possible value of mp ?
分析A选项
分析B选项
分析C选项
分析D选项
分析E选项
我有更好的解析 
暂无雷哥网文字解析
M<10 且P<10 然后一个个数字试验
M=9 /8/7/6/5
可知 m=7
499685skw
多试几个数，不是=9就代表能得到最大值
0
0
回复
2022-09-26 22:05:17
313429e
两个未知数mp可以相等的吗 相等表达应该写成是m*m了
0
0
回复
2022-08-11 13:28:06
imdereck
hhhh, m²+p²≥2mp
4
0
回复
2021-10-25 20:53:54
570239pybw
看来你们是没学过均值不等式了
2
0
回复
2021-02-16 10:03:47
emily666
OG也是一个个去试
0
0
回复
2020-04-02 17:03:44
GMAT必定上700
100＞m²+p²≥2mp， 也就是100＞2mp，得出mp＜50，最大的就是49
12
0
回复
2019-04-04 15:55:52
567464a回复GMAT必定上700
为什么m²+p²≥2mp呢？
0
0
回复
2021-01-22 11:01:05
567464a回复 567464a
首先x²≥0。
6
0
回复
2021-01-23 16:51:46
Kaz的琳琳宝贝回复 567464a
(m-p)^2≥0
1
0
回复
2021-10-05 11:37:53
730以上
试答案，题目问最大，先51，分解质因数，3、17.不符合前提；下一个49，符合。
1
0
回复
2018-01-22 22:27:26
Naomi回复730以上
49=7x7 那m和p不就相等了么，不明白哎
1
0
回复
2018-03-16 22:35:30
撒哈拉瓜兔回复 Naomi
沒說mp不能相等呀
0
0
回复
2018-07-04 22:42:51
许吞吞回复 Naomi
可以平方（m^2+p^2）两边都平方的话，把mp挪到一边，可以求出mp的乘积要小于50，所以可以取的最大值是49
1
0
回复
2018-08-06 17:13:23
科目：
问题求解PS
来源：
OG18新题
题目信息1m32s
平均耗时
78.1%
平均正确率
该题由网友wBBUtu提供
点击上传问题求解PS -17894
An 〝Armstrong number〞is an n-digit number that is equal to the sum of the nth powers ofits individual digits. For example, 153 is an Armstrong number because it has 3 digits and 13+53+33 =153 .What is the digit k in the Armstrong number 1, 6k 4?
问题求解PS -17869
Of the following, which is greatest?
问题求解PS -17767
Let n and k be positive integers with k≦n. From an n×n array of dots, a k×k array of dots is selected. The figure above shows two examples where the selected k×k array is enclosed in a square. How many pairs (n, k) are possible so that exactly 48 of the dots in the n×n...
问题求解PS -17497
What is the smallest integer n for which ?
问题求解PS -17457
If p is the product of the integers from 1 to 30, inclusive, what is the greatest integer k for which 3k is a factor of p ?
问题求解PS -17894
An 〝Armstrong number〞is an n-digit number that is equal to the sum of the nth powers ofits individual digits. For example, 153 is an Armstrong number because it has 3 digits and 13+53+33 =153 .What is the digit k in the Armstrong number 1, 6k 4?
问题求解PS -17869
Of the following, which is greatest?
问题求解PS -17767
Let n and k be positive integers with k≦n. From an n×n array of dots, a k×k array of dots is selected. The figure above shows two examples where the selected k×k array is enclosed in a square. How many pairs (n, k) are possible so that exactly 48 of the dots in the n×n...
问题求解PS -17497
What is the smallest integer n for which ?
问题求解PS -17457
If p is the product of the integers from 1 to 30, inclusive, what is the greatest integer k for which 3k is a factor of p ?
分享
周末、晚班滚动开班 
24+35+35+6课时 
