1988 AMC 12 第 1 题
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所有题目均经美国数学协会（MAA）官方合法授权使用。
1.
答案：D
小提示：
从每个被开方数中提出最大的完全平方因数
Extract the largest square factor from each radicand
大提示：
化简后，两个根式是同类项
After simplifying, the two radicals are like terms
解答：
有 ，且 。两者之和为 。
所以正确答案是 D。
We have and Their sum is
Thus the correct answer is D.
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