人教版初二数学上册乘法公式综合练习题大全18.docx

1、人教版初二数学上册乘法公式综合练习题大全18 (ab)(ba) (4b9)(4b9) 8279 502499 (3a3b)2 (x8y)2 (m5)2 60012 39982 (p7)2 (x8)2(x5)2 (x7y5)(x7y5)2 (2x4y3)2 (4x7)(4x7)2 先化简，再求值。(4x7y)2(x6y)(6xy),其中x=4,y=1 7 7 (xy)(xy) (3xy2)(3xy2) 6 6 (a5b)(5ba) (b9)(b9) 6359 303299 (4a8b)2 (x9y)2 (3m4)2 6012 572 (p5q)2 (2x8)2(x9)2 (xy7)(xy7)2

2、(4x3y1)2 (3x9)(3x9)2 先化简，再求值。(x9)2(xy)(xy),其中x=0,y=-5 4 4 (xy)(xy) (3xy1)(3xy1) 5 5 (a6b)(6ba) (2b5)(2b5) 3229 10199 (a5b)2 (x4)2 (4m4)2 422 39982 (4p5q)2 (2x8)2(4x2)2 (x8y2)(x8y2)2 (2x4y1)2 (x8)(x8)2 先化简，再求值。(2x3y)2(5xy)(x5y),其中x=-4,y=11 9 9 (xy)(xy) (5xy5)(5xy5) 8 8 (5a5b)(5b5a) (b4)(b4) 3329 9038

3、99 (a9)2 (x4y)2 (4m4)2 50022 4992 (p8)2 (3x8)2(x4)2 (2xy6)(2xy6)2 (4xy5)2 (4x7)(4x7)2 先化简，再求值。(4x6)2(x3y)(3xy),其中x=6,y=5 3 3 (xy)(xy) (xy3)(xy3) 2 2 (ab)(ba) (2b9)(2b9) 9389 904899 (a4b)2 (2x8y)2 (2m3)2 5032 4992 (3p5)2 (x6)2(x6)2 (x6y1)(x6y1)2 (x5y2)2 (3x10)(3x10)2 先化简，再求值。(x2y)2(xy)(xy),其中x=-2,y=1

4、 6 6 (xy)(xy) (xy8)(xy8) 5 5 (5ab)(b5a) (4b5)(4b5) 6459 604599 (2a9)2 (x6)2 (m8)2 5012 29992 (3p4q)2 (x2)2(x7)2 (2x8y7)(2x8y7)2 (xy1)2 (3x4)(3x4)2 先化简，再求值。(x3)2(xy)(xy),其中x=-4,y=-7 2 2 (xy)(xy) (4xy9)(4xy9) 3 3 (3a4b)(4b3a) (b5)(b5) 5149 604599 (a8b)2 (3x5)2 (m9)2 532 29992 (p5q)2 (x8)2(x6)2 (xy1)(x

5、y1)2 (2xy3)2 (2x4)(2x4)2 先化简，再求值。(x2y)2(4x3y)(3x4y),其中x=-4,y=9 1 1 (xy)(xy) (2xy3)(2xy3) 3 3 (ab)(ba) (b8)(b8) 6359 403399 (2a8b)2 (3x3y)2 (m9n)2 922 272 (p9q)2 (x1)2(x6)2 (4x8y10)(4x8y10)2 (2xy1)2 (x2)(x2)2 先化简，再求值。(x9y)2(3xy)(x3y),其中x=-10,y=9 1 1 (xy)(xy) (3xy10)(3xy10) 5 5 (a2b)(2ba) (2b1)(2b1) 6359 10299 (2a6)2 (x4y)2 (4m9)2 6012 592 (p5)2 (x7)2(x3)2 (xy7)(xy7)2 (x2y3)2 (x9)(x9)2 先化简，再求值。(x6y)2(xy)(xy),其中x=8,y=9 9 9 (xy)(xy) (4xy3)(4xy3) 8 8 (ab)(ba) (b8)(b8) 8379 10399 (3a2)2 (4x8y)2 (3m8n)2 612 472 (2p4q)2 (x6)2(x9)2 (xy9)(xy9)2 (2xy4)2 (x4)(x4)2 先化简，再求值。(2x3y)2(x5y)(5xy),其中x=-8,y=-7