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GRE数学中最容易出错的题目： 1，l1, l2 and l3 are three lines in space The number of points at The number of points at which lines l1 and l2 intersect which lines l2 and l3 intersect 1.三条任意直线，L1和L2的交点的个数与L2和L3的交点的个数没关。 2. The number of 1/4-inch lengths in 1 a 4-inch length 2，是问4英尺中有多少个1/4英尺，应该是16个，所以是A 3. The maximun number of solid cubes 4 having edges of length 1/2 meter that can be placed inside a cubical box having inside edges of length 1 meter 3边长为1的立方体里最多能放下几个边长为1/2的立方体，当然是8个咯 4. Cube C has volume 8 cubic centimeters The area of one of the faces of cube C 3 square centimeters 4立方体体积是8，那一个面的面积当然是4咯 5. Ms.Smith got an 8 percent cost-of-living raise of $20 per week Ms.Smiths new weekly salary $260 5 x0.08=20，那x+20=270260 6. On a certain number live, if -7 is a distance of 4 from n and 7 is a distance of 18 | 
