1987 AMC 8 第 6 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。
6.
从集合 中选两个数相乘，可能得到的最小乘积是
The smallest product one could obtain by multiplying two numbers in the set is
答案：B
小提示：
最小的乘积是最负的乘积，来自一个负因数和一个正因数
The smallest product is the most negative one, which comes from one negative and one positive factor
大提示：
把最负的数和最大的正数配对
Pair the most negative number with the largest positive number
解答：
负乘积来自负数乘正数；要最负，就让两个因数的绝对值尽可能大。
最负的乘积是 。
所以正确答案是 B。
A negative product comes from multiplying a negative number by a positive number, and it is most negative when both factors are largest in size.
The most negative product is
Thus, the correct answer is B .
其他年份的第 6 题
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