2018-11-15 重点归纳
AMC10数学竞赛是美国高中数学竞赛中的一项,是针对高中一年级及初中三年级学生的数学测试,该竞赛开始于2000年,分A赛和B赛,于每年的2月初和2月中举行,学生可任选参加一项即可。不管是对高校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AMC10数学竞赛真题以及官方解答吧:
What is the value of  when
 when  ?
?

Factorizing the numerator,  then becomes
 then becomes  which is equal to
 which is equal to  which is
 which is  .
.
If  , what is
, what is  ?
?

 which is
 which is  .
.
We can replace  and
 and  with
 with  and
 and  respectively. Then substituting with
 respectively. Then substituting with  and
 and  we can get
 we can get  and substitute to get
 and substitute to get  which is
 which is 
以上就是小编对AMC10数学竞赛真题以及解析的介绍,希望对你有所帮助,更多学习资料请持续关注AMC数学竞赛网。
 
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