人教版初二数学上册乘法公式综合练习题大全75.docx

1、人教版初二数学上册乘法公式综合练习题大全75 (4ab)(b4a) (b5)(b5) 4439 904899 (a9b)2 (x3y)2 (m4)2 80012 79972 (4p5q)2 (x7)2(4x2)2 (2xy8)(2xy8)2 (4x5y4)2 (3x1)(3x1)2 先化简，再求值。(2x5y)2(x3y)(3xy),其中x=8,y=-5 1 1 (xy)(xy) (3xy8)(3xy8) 5 5 (ab)(ba) (b7)(b7) 5149 203199 (a4)2 (x8y)2 (2m4n)2 50012 2982 (p4)2 (3x6)2(4x10)2 (3xy6)(3x

2、y6)2 (xy1)2 (x7)(x7)2 先化简，再求值。(x8)2(4x5y)(5x4y),其中x=-10,y=1 7 7 (xy)(xy) (xy6)(xy6) 8 8 (4ab)(b4a) (2b2)(2b2) 6359 304299 (2a5)2 (x6y)2 (m6)2 4022 882 (4p8)2 (x8)2(x10)2 (4xy4)(4xy4)2 (3xy2)2 (4x10)(4x10)2 先化简，再求值。(3x3)2(xy)(xy),其中x=-8,y=-9 5 5 (xy)(xy) (5xy1)(5xy1) 6 6 (2ab)(b2a) (b5)(b5) 6459 3042

3、99 (4a4b)2 (2x5y)2 (4m4n)2 322 19972 (3p5)2 (3x9)2(2x2)2 (x6y1)(x6y1)2 (4x4y1)2 (x1)(x1)2 先化简，再求值。(4x7y)2(xy)(xy),其中x=6,y=5 7 7 (xy)(xy) (xy4)(xy4) 6 6 (a3b)(3ba) (5b2)(5b2) 8479 701699 (a7)2 (x6)2 (4m9)2 20012 782 (p6)2 (x7)2(x9)2 (xy10)(xy10)2 (4x3y5)2 (4x5)(4x5)2 先化简，再求值。(x7)2(3xy)(x3y),其中x=-4,y=

4、3 5 5 (xy)(xy) (xy1)(xy1) 6 6 (a4b)(4ba) (b6)(b6) 5449 303299 (4a4b)2 (x9)2 (2m4)2 7012 882 (4p4)2 (2x5)2(2x9)2 (x6y5)(x6y5)2 (xy4)2 (2x4)(2x4)2 先化简，再求值。(4x9)2(xy)(xy),其中x=-10,y=3 1 1 (xy)(xy) (3xy1)(3xy1) 5 5 (ab)(ba) (b1)(b1) 5349 303299 (a6)2 (x5y)2 (2m9)2 5022 9982 (2p2)2 (3x9)2(x7)2 (xy5)(xy5)2

5、 (xy1)2 (2x2)(2x2)2 先化简，再求值。(x4y)2(2xy)(x2y),其中x=2,y=7 2 2 (xy)(xy) (xy2)(xy2) 3 3 (ab)(ba) (6b2)(6b2) 3429 704699 (2a9)2 (4x9y)2 (m3)2 6022 3982 (4p9)2 (x8)2(3x6)2 (2x6y10)(2x6y10)2 (4xy2)2 (3x4)(3x4)2 先化简，再求值。(4x8y)2(6x4y)(4x6y),其中x=-6,y=-7 5 5 (xy)(xy) (3xy1)(3xy1) 6 6 (5ab)(b5a) (2b5)(2b5) 6259

6、902899 (2a9b)2 (2x3y)2 (2m6n)2 20012 582 (4p9q)2 (2x3)2(x2)2 (x8y9)(x8y9)2 (3xy5)2 (2x8)(2x8)2 先化简，再求值。(x2y)2(xy)(xy),其中x=-2,y=11 2 2 (xy)(xy) (2xy3)(2xy3) 3 3 (4ab)(b4a) (5b2)(5b2) 3329 504499 (4a5b)2 (2x5y)2 (2m8n)2 3012 992 (3p4)2 (3x4)2(2x7)2 (2x5y7)(2x5y7)2 (x4y1)2 (x4)(x4)2 先化简，再求值。(3x5y)2(x4y

7、)(4xy),其中x=-4,y=3 5 5 (xy)(xy) (5xy8)(5xy8) 6 6 (2a3b)(3b2a) (b7)(b7) 7169 901899 (4a6b)2 (2x4y)2 (4m2)2 732 872 (p3q)2 (x4)2(x2)2 (2x5y3)(2x5y3)2 (x3y5)2 (4x8)(4x8)2 先化简，再求值。(x5)2(x5y)(5xy),其中x=10,y=-3 9 9 (xy)(xy) (xy7)(xy7) 8 8 (ab)(ba) (b8)(b8) 8479 203199 (a8b)2 (4x5)2 (m5)2 20022 69982 (2p6q)2

8、 (3x9)2(x6)2 (xy8)(xy8)2 (xy4)2 (4x1)(4x1)2 先化简，再求值。(x4)2(x6y)(6xy),其中x=-2,y=11 1 1 (xy)(xy) (xy8)(xy8) 4 4 (3ab)(b3a) (6b9)(6b9) 9389 902899 (2a7b)2 (x8y)2 (4m7n)2 6012 792 (4p2)2 (x8)2(x3)2 (xy8)(xy8)2 (xy3)2 (3x3)(3x3)2 先化简，再求值。(2x8y)2(2x5y)(5x2y),其中x=-6,y=-7 1 1 (xy)(xy) (5xy8)(5xy8) 2 2 (a4b)(4

9、ba) (b1)(b1) 8279 802799 (a3b)2 (x3)2 (m4n)2 9032 3982 (p7q)2 (x9)2(4x2)2 (x7y2)(x7y2)2 (xy3)2 (4x4)(4x4)2 先化简，再求值。(3x8y)2(4x6y)(6x4y),其中x=2,y=-3 5 5 (xy)(xy) (4xy9)(4xy9) 6 6 (3ab)(b3a) (b3)(b3) 9189 10299 (3a4)2 (4x2y)2 (m5n)2 522 29992 (p2)2 (x9)2(x2)2 (2x8y7)(2x8y7)2 (2x2y1)2 (x9)(x9)2 先化简，再求值。(

10、x7y)2(x5y)(5xy),其中x=-10,y=3 7 7 (xy)(xy) (2xy8)(2xy8) 8 8 (a3b)(3ba) (2b5)(2b5) 9289 704699 (a4)2 (4x3y)2 (m4)2 9032 3992 (4p3q)2 (3x2)2(3x2)2 (2x6y9)(2x6y9)2 (2x2y2)2 (x9)(x9)2 先化简，再求值。(4x7)2(xy)(xy),其中x=-4,y=-1 3 3 (xy)(xy) (4xy8)(4xy8) 2 2 (3ab)(b3a) (5b3)(5b3) 9489 801799 (a8b)2 (x6)2 (4m3)2 900

11、22 89982 (p5)2 (2x10)2(x9)2 (2xy5)(2xy5)2 (x3y3)2 (4x3)(4x3)2 先化简，再求值。(x4)2(2x3y)(3x2y),其中x=8,y=3 6 6 (xy)(xy) (2xy9)(2xy9) 7 7 (a4b)(4ba) (b7)(b7) 6159 704699 (4a8b)2 (2x7)2 (m5)2 6022 472 (p2q)2 (3x3)2(2x6)2 (xy10)(xy10)2 (xy2)2 (x2)(x2)2 先化简，再求值。(x5)2(x5y)(5xy),其中x=4,y=1 5 5 (xy)(xy) (xy9)(xy9) 4 4 (ab)(ba) (3b4)(3b4) 4339 801799 (a7b)2 (x5)2 (m6)2 70032 39992 (p3)2 (2x3)2(x7)2 (xy10)(xy10)2 (4x3y2)2 (3x5)(3x5)2 先化简，再求值。(x8)2(2x5y)(5x2y),其中x=4,y=5 1 1 (xy)(xy) (3xy5)(3xy5) 8 8 (5a6b)(6b5a) (b9)(b9) 4339 204199 (4a9)2 (x6)2 (2m7)2 20032 4992 (2p8)2 (x7)2(x2)2 (xy5)(xy5)2