2018-08-27 重点归纳
AMC数学竞赛8专为8年级及以下的初中学生设计,但近年来的数据显示,越来越多小学4-6年级的考生加入到AMC 8级别的考试行列中,而当这些学生能在成绩中取得“A”类标签,则是对孩子数学天赋的优势证明,不管是对美高申请还是今后在数学领域的发展都极其有利!那么接下来跟随小编来看一下AMC 8的官方真题以及官方解答吧:
What is the sum of the distinct prime integer divisors of ?
The prime factorization is . Since the problem is only asking us for the distinct prime factors, we have . Their desired sum is then .
Suppose that means What is the value of if
Let us plug in into . Thus it would be . Now we have . Plugging into , we have . Solving for we have
以上就是小编对AMC竞赛官方真题以及解析的介绍,希望对你有所帮助,更多AMC真题下载请持续关注AMC数学竞赛网!
下一篇: AMC考试都适合什么年龄段的学生参加?