what is the greatest common divisor of positive integers m and n?
(1) m is a prime number
(2) 2n=7m
answer:C
根据(2), n=7/2m, given n is a positive integer, then m=2, n=7, why not B?
还有就是那道一个圆中两条平行的弦,PQ,OP,OP是直径,PRO角度35度,求PQ
答案是:2pai,没找到解答步骤地帖子,请问怎么计算的亚?
谢谢啦:)
举报
n=7/2m, given n is a positive integer, then m=2k,y=7k, depends on k
第二题应该漏了条件吧,没看懂
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