求解。

你说过等我 · 发表于 2011-8-13 16:56:15

3.90、196、300的最小公倍数是M。求以下哪个不是M的因子？
答案600

4.卖了15套房，15套房卖价的平均数是150，中位数是130，问下列哪个是对的？
（1）至少一套房的卖价>165
（2）至少一套房的卖价>130 and <150
（3）至少一套房的卖价<130
答案（1）

5.the rate of a certain chemical reaction is directly proportional to the square of the concentration of chemical A present and inversely proportional to the concentration of chemical B present.if the concentration of chemical B is increased by 100%,which of the following is closet to the perccent change in the concentration of chemical A required to keep the reaction rate unchanged?
答案40%increased

megadreamer · 发表于 2011-8-13 17:00:54

lz的字体真婀娜0 0

求解。

所属分类: GMAT考试

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