十字相乘法练习题含答案

2023-10-03 18:16:13   文档大全网     [ 字体: ] [ 阅读: ]

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乘法,练习题,十字,答案
十字相乘法因式分解练习题

13x23x2

2 4

x27x6



x24x21

x22x15



9

x24x3

11y27y12

13x2x20

15p25p36

233x211x10

256x27x5

28

3a28a4

5x27x6



33

4n24n15

答案:1

(x1)(x2)

2

10a27a10



12

q26q8

14m27m18



16

t22t8



242x27x3



27

2x215x7



29 346l2l35

(x1)(x6)

3

(x3)(x7)

4

(x3)(x5)




58

(x24)(x22)

6

(ab1)(ab3)

7

(xy)(x2y)



(y3)(y4)

x2(x4)(x7)

9

(x1)(x3)

10

(a2)(a5)

11

12

(q2)(q4)

13

(x4)(x5)

14

(m2)(m9)

15

(p4)(p9)

16(t2)(t4)

17

(x24)(x25)

18

(ax1)(ax8)

19(a2b)(a7b)



20(x2y)(x9y)

21

x2(y1)(y6)

22

a(a2)(a6)



23(x2)(3x5)

24

(x3)(2x1)

25

(2x1)(3x5)

26(x2y)(5x4y)

27

(2x1)(x7)

28

(a2)(3a2)

29(x2)(5x3)

30

(5ab2)(ab5)

31

(3ab2xy)(ab5xy)



32y2(x21)(2x3)(2x3)



33(2m3n)(2m5n)



34

(2l5)(3l7)




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