人教版初二数学上册乘法公式综合练习题大全108.docx

1、人教版初二数学上册乘法公式综合练习题大全108 (3ab)(b3a) (b8)(b8) 9289 402399 (2a5b)2 (x5)2 (2m9n)2 912 49972 (3p2q)2 (x3)2(2x5)2 (xy9)(xy9)2 (3x5y4)2 (x4)(x4)2 先化简，再求值。(4x2y)2(3x3y)(3x3y),其中x=0,y=-3 3 3 (xy)(xy) (3xy2)(3xy2) 4 4 (4ab)(b4a) (b1)(b1) 7169 404399 (a2)2 (x6y)2 (2m7)2 412 39972 (p2q)2 (x6)2(x1)2 (x7y4)(x7y4)

2、2 (xy2)2 (x6)(x6)2 先化简，再求值。(x2y)2(5x2y)(2x5y),其中x=2,y=1 1 1 (xy)(xy) (4xy9)(4xy9) 8 8 (a5b)(5ba) (b2)(b2) 8379 604599 (a6b)2 (x2)2 (m6n)2 732 392 (4p4q)2 (x1)2(x1)2 (xy9)(xy9)2 (4x3y2)2 (2x5)(2x5)2 先化简，再求值。(x9y)2(xy)(xy),其中x=-2,y=3 1 1 (xy)(xy) (4xy3)(4xy3) 2 2 (4ab)(b4a) (b1)(b1) 3429 802799 (3a7)2

3、 (3x8y)2 (3m7n)2 9012 4992 (2p2q)2 (3x1)2(3x5)2 (2x8y9)(2x8y9)2 (xy2)2 (2x4)(2x4)2 先化简，再求值。(2x4y)2(x6y)(6xy),其中x=-8,y=-7 1 1 (xy)(xy) (3xy2)(3xy2) 7 7 (ab)(ba) (b1)(b1) 8279 202199 (3a7)2 (x3)2 (m2n)2 8032 3992 (3p8q)2 (2x5)2(x5)2 (2xy6)(2xy6)2 (2xy1)2 (2x5)(2x5)2 先化简，再求值。(x7y)2(6x5y)(5x6y),其中x=10,y

4、=5 1 1 (xy)(xy) (4xy1)(4xy1) 2 2 (a4b)(4ba) (3b8)(3b8) 8279 601599 (2a6b)2 (x3)2 (m2n)2 212 282 (2p7q)2 (3x9)2(4x5)2 (3xy9)(3xy9)2 (3xy4)2 (x5)(x5)2 先化简，再求值。(x4)2(x5y)(5xy),其中x=4,y=-9 1 1 (xy)(xy) (3xy2)(3xy2) 2 2 (6a4b)(4b6a) (6b6)(6b6) 3129 502499 (a5)2 (x3)2 (4m8n)2 822 29982 (p5q)2 (x7)2(x4)2 (3

5、x8y3)(3x8y3)2 (3x2y5)2 (3x6)(3x6)2 先化简，再求值。(x5y)2(2xy)(x2y),其中x=4,y=-9 6 6 (xy)(xy) (xy5)(xy5) 7 7 (ab)(ba) (b7)(b7) 8279 304299 (4a5)2 (2x2)2 (3m5n)2 322 69982 (4p9q)2 (x8)2(4x2)2 (4x6y7)(4x6y7)2 (x4y2)2 (x5)(x5)2 先化简，再求值。(2x3y)2(x2y)(2xy),其中x=10,y=9 5 5 (xy)(xy) (xy8)(xy8) 4 4 (a3b)(3ba) (5b4)(5b4) 6459 901899 (a9)2 (x8y)2 (4m6)2 612 882 (p2)2 (x3)2(x7)2 (2x5y8)(2x5y8)2 (xy2)2 (x5)(x5)2 先化简，再求值。(3x4y)2(xy)(xy),其中x=-8,y=-3 4 4 (xy)(xy) (2xy10)(2xy10) 5 5 (ab)(ba) (5b4)(5b4) 9189 503499 (3a8)2 (4x9y)2 (m8)2 732 792 (p3)2 (3x1)2(4x7)2 (2x5y1)(2x5y1)2 (xy1)2 (x9)(x9)2 先化简，再求值。(x3)2(xy)(