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一、填空题 (本题满分 4 0分 ,共 1 0小题 ,每小题 4分 )1 -3 +3 =2 -2的平方是。3 将ｍｎ -ｍ -ｎ +1分解因式的结果是。4 如图 ,长方体中 ,与棱ＡＡ′平行的面是。第 4题图5 某音像社对外出租光盘的收费方法是 :每张光盘在租出后的头两天每天收 0 8元 ,以后每天收 0 5
First, fill in the blanks (this question marks out of a total of 4 points, a total of 1 0 small questions, each small question 4 points) 1 -3 +3 = 2 -2 square is. 3 The result of factoring mn -m -n +1 is. 4 As shown in the figure, in the cuboid, the plane parallel to the edge AA′ is. Question 4 Figure 5 The charging method for an external rental CD by an audio and video club is: Each CD will receive 0 yuan per day for the first two days after it is rented, and then it will receive 0 5 per day.