整式的乘法
班
级
姓名 学号 一、填空 (1).(2).(3x)4
(3).(4).(7x2)3
(5).(6).49m12( ________)2
(7).(8).
14c6(_______)2
(2b)3 (a)3 x9(_______)2 81x2(_______)2
16
(9).(10)
3x2y(2xy3)(m5)4(m2)3
4x22(__)(___)y2(_______)2(11).
(12).1(_______)a2y2(________)24
(13).(14).49m228mn2(______)2(_______)2
二、计算
(1).(2).32.2 n-2.(-2) (3).(4).
(-x3y4)2(-x3y4)3
(5).5m .25
a210a(___)2(_____)2 (2x)3(5x2) -(-x3y)3(xyn+1)2 m-2
(6).(7).28x4y27x3y
1(7xy2)2(x2yy2)7
(8).(52xy)(23xy22xy43y)
(9).
(10).(-3xy)(5x2y)6x2(7xy22y)22(11).(3x10)(x2) (13).(14).(xy)(x2xyy2)
(15).(16).(x2)(x24x5)
(17).
(18).
(x2y)(x2y)
(12).(3x-2y)(2y-3x)(23ab22ab)12ab (2x-52y)(215x+2y) (abc)(abc) (3m-2n)(3m+2n)
(19).(20).(21).(-xy+0.5)(-xy-0.5)
(-3a+b)(b+3a)
(2xyz)(2xyz)
(22).(ab3c)(ab3c) (23).(24).9981002
(25).(26).(3ab2c)(2cb3a)(27).(28).(4mn)2
(29).(30).
(y1)22
(2b5)(2b5) (2x3y4z)(2x4z3y) (xy)2 (ba)2
(31).(32).(33).(2x5)2(ab)2
32(xy)243
(34).(1.5a23b)2
(35).(36).
(a2b1)2
因式分解班
姓名 (1).(2).3mx6my
(3).
(2xy3)2 级 学号
axay 8m2n2mn
(4).(5).12xyz9x2y2
2a(yz)3b(zy)
(6).p(a2b2)q(a2b2)
(7).(8).12a2b3c0.5ab2c16a2c2(9).
(10).3ab3c12abc9bc2
(11).(12).x2y249
(13).(14).14a21225b
(15).
15ab5a2 1x2m1y21xym124xy x24y2 a416 429225ab
(16).(17).1100n2
x2y4y
(18).4a316a
(19).(20).(x2x1)21 (21).(22).a42a2b2b4
(23).(24).a241a
(25).(26).4m29n212mn(27).
(xy)(3xy)2(x3y)2(yx) a22abb2 14m4m2 a225b210ab 9(ab)224(ab)16
(28).(29).(30).8ab4a2b4b
ab2a2ba3b
(m26)26(m26)9