GRE考试

根据网考网考试中心的统计分析，以下试题在2019/7/12日GRE考试习题练习中，答错率较高，为：30%
【单选题】

网考网参考答案：D，答错率：30%
网考网试题解析：
If a and b had to be integers, the greatest a + b could be is 49 (when the numbers are 1 and 48). However, the variables do not have to be integers. If a =. 1, and b = 480, then ab = 48, and a + b = 480.1. Neither column is always greater, and the two columns are not always equal (D). document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>