2016 AMC12B 真题
2016-11-02 AMC 2016 AMC12B AMC PDF 481.96KB
Problem 1
Problem 2
The harmonic mean of two numbers can be calculated as twice their product divided by their sum. The harmonic mean of and is closest to which integer?
两个数的调和平均值可以由它们乘积的 倍除以它们的和得到。那么 和 2 1 2016 的调和平均值 最接近下面哪个整数？
Problem 3
2016 AMC12B
