5 Math Section------------------------------------------------------------------------------------------------------------Q1:A wire that weighs 24 kilograms is cut into two pieces so that one of th
5 Math Section------------------------------------------------------------------------------------------------------------Q1:A wire that weighs 24 kilograms is cut into two pieces so that one of th
61m, n, are factors of f, which of the following is integer I, f/(m+n), II, f/mn III m/n JJ主人选的是none of them? (如果把题设改为which of the following must be integer 就没问题了。感谢NK君提出。)此题有些问题:大家一起来讨论,如果是60=2*2*3
1s比从2到29所有质数,inclusive,的乘积大1,问下面哪个是对的:as能被2到29中至少一个质数整除bs能被一个大于29的质数整除c s能被30整除。? 排除法,只有第二个对。s-1=2*3*5**29s和(s-1)是连续的两整数,连续的两整数互质,无公因子。。。所以。。。。紧接着。。。由于1是错的,所以3也不可能对了。。。。因为(s-1)的因子有2*3*5
5 Math Section------------------------------------------------------------------------------------------------------------Q1:A family-size box of cereal contains more cereal and costs more than the
6 Math Section------------------------------------------------------------------------------------------------------------Q1:When 20 is divided by the positive integer k, the remainder is k – 2Whic
5 Math Section------------------------------------------------------------------------------------------------------------Q1:If k is negative, which of the following must also be negative(-k)2(-1)
MATH----------------------------------------------------------------------------------------------------------------------Q1:If Henry were to add 5 gallons of water to a tank that is already 3/4 ful
6 Math Section------------------------------------------------------------------------------------------------------------Q1:Of the fruit that arrives at a cannery, 20 percent by weight is rejected
5 Math Section------------------------------------------------------------------------------------------------------------Q1:ELECTRICITY USAGE IN A CERTAINHOUSEHOLD ON MAY 1Appliance Number of Hou
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